Firsts tend to be memorable events. Even 40 years later...
I was home from college for the first time; winter break after living in the dorm for 5 months I was back in suburban New Jersey for the first time. I had two things - a baggie of weed, and ID that said I was an adult. My hometown had something I could now visit - the Adult Bookstore!
I remember it as a sunny day. No one else was home, so I stepped out on the back porch, smoked a joint and was buzzed. I went back to my room and for some reason, figured that it was important to leave my underwear home. When I was set, I got in the car and drove the ½ mile or so and then parked my care. Never dawned on me that I might want to park carefully and strategically so I wouldn't be seen - I learned to do that later.
I opened the door and it was as if I was in another world. Garish neon backlighting on the walls; display cases with things ranging from handcuffs to dildos; aisles of books and magazines with naked bodies prominently displayed - this was new! There was also a smell to the place - a mixture of cigarette smoke and something undefined.
Nobody asked to see ID, so I just went in and assumed that my newly grown mustache was enough. I suspect that my status as "new to the place" was probably obvious to the regulars - gazing wide-eyed at magazines featuring every sort of sex act I had read about. (Remember, this was before the Internet and the advent of "all porn, all the time" that we now live in.) I remember that I was hard as a rock within minutes, and that I spent what seemed like forever browsing through magazines. There were seemingly dozens of magazines just featuring boobs! And then I found the hard core magazines and I was aching!