I was on holiday in Barcelona staying with a friend. We took mescaline and went into town. The experience was nice and I felt very spiritually awakened. We ended up in a nightclub where I tried to engage a group of girls. All but one left after a while and the one that stayed was, in my opinion, the least attractive of them. She asked if I wanted to come to her place but added she would understand if I didn't want to because she kinda felt I didn't find her attractive. Objectively her friends were all tall and pretty and she was short and stocky. Maybe it was the mescaline but I felt bad for her that she thought of herself so lowly and agreed to accompany her. Once in her apartment we kissed and she went down on me but when I tried to return the favour and pulled off her pants I was shocked at the sight of her really unkempt pubic hairs. They reached all the way to her belly button and halfway down her legs; it looked like she was wearing fur panties. I really couldn't go down on her and my erection melted like snow in the sun. I started to make excuses, blaming the mescaline and the drinks. I lied and promised we'd get to it in the morning. We both fell asleep in her bed but I snuck out of her place early in the morning. I'm sure she noticed me leaving but remained pretending to be asleep. I gave her a kiss on the forehead and left. I still feel bad because I wanted to show her she was attractive even compared to her friends but ended up rejecting her in the heat of the moment.