Took acid for the first time with my girlfriend at the time, she was also the first girl I dated who was on the pill and liked for me to come inside her. Right after the acid started to kick in she took me out to my car and told me to fuck her in the backseat. As soon as I slid into her incredibly wet pussy I knew it wasn't going to last long, I came after about 30 seconds. She said it was hot how much I came, it dripped out of her as I pulled out and left a huge, wet cum spot on the seat. Thankfully they were leather so it cleaned up easily the next day! She also said to be ready for more later. We went back into the party we were at, hung out for a while, then she said she wanted to go hang out upstairs. My friend had an extra room that had no furniture, so we threw down a sheet and proceeded to fuck our brains out for about 6 hours. When we finished, pretty much the entire sheet was soaked in sweat. I only came once at the very end, lost count of how many times she came but she said afterwards that she had never come so many times in one session. It was intense to say the least. And very, very hot.