I know it's not assault, but what would you call this?

My ex used to pressure me into things constantly. On our first date he wouldn't stop trying to kiss me and eventually I just stood there and let him. Then he started pressuring me to do more sexual things and I'd say no but he would just keep going until I was visibly upset or I just went along with it. If I said no and stuck to it he would get angry and leave or make me feel guilty. I feel like I could have tried harder to make him stop and he did eventually stop if I got really upset but usually he just pushed until I went along with it. He was my first so it sucks for my first experience to be with someone like that.