Advice

So me and my bf use to have sex alot almost every day of the week except when I was on my period. Lately for the past month we've only been having sex like 1 or 2 times a week. Mainly cause I had a UTI for about a week. An also I don't want him getting bored of me. I am still very attracted to him, I've always been. But he gets madd when I don't really want to do anything, an ive been trying to let him know why, he juss thinks im not into him or I hate him. I don't know what I should do. Any advice.?