I had just hit forty, and the sudden realisation that my life as a fertile woman was within a few years of being over frightened the hell out of me.
Had myself and my husband had more children I doubt this would have bothered me, but I married a man that waited till our honeymoon to tell me that he didn't really have any interest in having children. As our relationship was otherwise solid and with family pressures, this never broke us up, and as we were impulsive early twenty-somethings at the time, I was able to get my husband to make love to me without the condoms that he insisted on wearing every time while he was a little drunk after a friend's wedding.
He didn't take my resulting pregnancy well, but we stayed together and I gave birth to my only child, a son.
My husband had little to do with him as a baby, and when the boy was old enough for my husband attempt to find any common ground with him, he failed to find any. All my boy wanted to do was read books and play with kid's science sets, making potato clocks and what-have-you.
All my husband's attempts to get the boy to watch sports were met with desperate complaints.
So he and my husband were never close, but they didn't need to be. I was probably guilty of being an overbearing, coddling mother, but he was the only child I was capable of getting out of my husband. I could not bring myself to cheat on an otherwise good husband, he didn't deserve that, and he only became more careful as he got older, and as he was never much of a drinker, never more than a good buzz from a couple of beers, he was never impulsive enough to make love to me unwrapped.
It was kind of a depressing thought, since my marriage I have had unprotected sex once. A single time.
As I grew older I came to appreciate how lucky I was that that single time was enough, as I have several friends who have been trying for years, having had gallons of semen ejaculated inside them and not a single baby.
It may have been several factors that began my panic; my age, as I mentioned and impending infertility, and the fact my son was now eighteen, had his first girlfriend and was spending more and more time out with her. A boy his age, how many years, possibly months did I truly have him before he went away to university or got his own flat?
I refuse to be one of those interfering women that calls her son every day and forces him to come to dinner every sunday, difficult though that is going to be.
"Get a dog." My husband says, not quite understanding how hurtful I find that. I love animals, but the connection I have with my son, someone intellectually stimulating and interesting could never be matched by a dog that worships you for taking him round the park then pouring him a bowl of biscuits.
My son brought his girlfriend to dinner recently, they had been together six weeks at this point.
When they came home, he led her into the house, and I was strangely pleased to see a girl who genuinely reminded me of an eighteen year old me; shoulder-length dark hair, brown eyes, chubby size eighteen frame and secretary glasses. She wore a pretty top and a pair of jeans. I liked her straight away but I loathed her straight away too, because she was the right kind of girl for my son, and because she was the right kind of girl to take my son away.
She was a little shy at dinner, and my husband was annoyingly quite taken with her ample figure, though I think he concealed it well enough to her and our son. As a mature woman, I was able to pick up on his over-long glances at her breasts and backside.
She wasn't too different in frame to myself at all, I'm a size eighteen, 38E breasts and thick hips. Apart from the fact my body is almost certainly a little less pert than hers, we could comfortably swap outfits.
I had started touching up my greying roots about two years ago so I still had the same rich chestnut coloured hair I had at her age.
She was very pleasant, if a little quiet and shy, not quite as confident and talkative as I was as a younger woman, but she was nice enough.
When my son took her home my husband decided he was horny so on went a rubber and he took me from behind half-dressed in our bedroom. It was a welcome bout of impulsive sex but the whole time I knew he was staring at the back of my head imagining our son's new girlfriend was on her knees with his cock inside her.
I came all the same, my husband does know what to do with his cock and half-decent sex is still half-decent sex, which was becoming increasingly rare these days, my husband just wasn't as horny as he used to be.
As he fucked me, I ran my usual fantasy that he was fucking me raw and when he climaxed, that the little rubber reservoir between us was absent and that a baby was being conceived. Even the fantasy of being impregnated was what usually got me off during sex. This might be more common than I think but it's not something you bring up around the water cooler is it?
That evening, my husband was in the garage having a beer and watching a football match and my son and I were watching a film.
"So what did you think of her?" My son asked eagerly. He was the spit of his father at his age, only a couple of inches taller with lighter hair, a dirty blonde to his father's grey-flecked dark brown. He had the same broad shoulders but his face was more jovial. My husband's face was sterner than our son's, with his infectious, boyish grin.
"I thought she was lovely." I answered. "A really sweet girl."
My son beamed, it was obvious he was really keen on her.
He was somewhat new to the world of women, as despite his looks and handsome frame, he was very awkward and lacked that cocky streak that girls his age find attractive. He had struggled for years since his hormones switched from "Girls are silly" to "Boobs are the meaning of life", coming home crying day after day after another girl had rejected him.
I'm sorry to say but I loved it every time. Although I felt his pain and frustration, I knew it meant it would be a little longer until girls started accepting his advances.
They had met at his friend's birthday party, and had ended up pairing up for the slow dance at the end of the night and had seemingly taken it from there.
Days later he came home visibly giddy and I knew instantly why, though I had to ask.
"What are you so giddy about honey?" I asked as he sat beside me.
"Nothing." My son smirked, his face bright red, a shade brighter than I had ever seen it.
"Well as long as you were safe." I said nonchalantly.
"Mum!" My son protested. I laughed and shrugged.
"I know that look young man, I'm not gonna pretend I don't know what you've been getting up to." I teased.
My son grinned sheepishly. "Fine, yes, we did it when her parents went out and yes we were safe, she had some condoms." He said.
I was so grateful for that. Call me selfish but the thought that that young thing might have been on the pill or the implant or something really upset me. Maybe I did see her as a younger me, and I had spent my entire life nearly with only ever having cock-shaped rubber objects inside me on account of my overly-cautious husband.
So, my son had lost his virginity. He was another step further away from me and I was another step closer to retiring myself to sharing a house with only my husband, without a tiny, innocent person coming to me with grazed knees or for a cuddle when another girl says he isn't her type.
My husband is an equal companion, he doesn't strictly need me for anything other than sex and conversation. I thrived on being depended upon by a child.
Recently I had caught myself entertaining thoughts like sabotaging my husband's stash of condoms, or even stealing a used one somehow and taking the sperm out of it and trying the old turkey baster method, but I couldn't bring myself to do something so deceitful. I just lived in hope that we would have a breakage or a failure, but the one time I felt a condom split inside me I had a split second of optimism before my husband hastily withdrew to replace it. I suppose he felt it even more than I did.
I was sat up one night, playing on my phone and googling things as I so often do, and I don't know why I typed this in, but I found myself googling "Do fathers and sons share DNA?"
I suppose my son's recent discovery of sex and my husband's juvenile attraction to the girlfriend had me wondering such a thing, and was amazed to find that close male family members can be difficult to tell apart in paternity tests.