I (21F) don’t want to have sex with my boyfriend (25M) anymore

We have been together for 8 months.

At the start of our relationship, I was always turned on by him. I always wanted to be intimate.

Now, since we’ve had fights and seeing more of his personality, I don’t get turned on anymore.

I find him less emotionally attractive, and it is affecting my physical attraction towards him.

I’ve always needed to be turned on mentally to be turned on physically.

What can be done? I don’t want to make him feel rejected. I really dread anything beyond kissing him.