Pain during sex (tmi)

Leeza

I haven’t had sex in a few months and i recently got into a relationship. We had sex yesterday and it was a little painful but nothing that I couldn’t tolerate. This morning it was much worse. The pain was so bad I couldn’t handle it and had to stop. I was really turned on by him and felt so comfortable with him but I was so tight and it hurt so bad. Anyone know what this could be from??