Hello, hi, I need an explanation

Okay so a bit of background knowledge, my high school/middle school never taught me about sex ed. (Don’t worry there isn’t any sex going on.) But recently I’ve been talking to this boy and tonight when I went to use the bathroom, the inner part of my pants on the outside was completely wet. Like it looked like I peed myself, did I cum? When I asked him about it, he said he didn’t.

I know we didn’t have sex, but my mind keeps making me over think it and I’m panicking. I’m still new to this whole relationship, sex, etc. aspect of my life.