I have literally no sex drive

Grace • 20. College Junior. In a relationship. Bicurious. Sexually active.
First I thought it was because of the men I was with, then I thought it was my antidepressants, now I think it's just me. I literally feel nothing whenever I am in a sexual situation or when I'm having sex. Like In my head I want to have sex (with my boyfriend that I am attracted to) but when I actually am doing it I just want it to be over. It doesn't feel good at all and I feel like there is something wrong with me.