What Is the Biggest Painful Experience When You're Texting This Girl Back Right Away?

In high school I like to grow a lot we were friends asked her to be my girlfriend and then she was like yeah sure I was like all right cool. In college this girl really liked me and and I thought she was cute cool we went on out one date went really well and I could have very easily hooked up with her but I didn't because I had it in my head that I want to make this girl my girlfriend so I can't hook up with her. Those are like the two biggest I guess one painful experiences whatever that I can think of off the top of my head and there's like other smaller ones but they weren't as significant as those do you remember what we