Sex advice please?!?!

My boyfriend has an extremely high sex drive and he wants to do things every time we see eachother, I have a fairly low sex drive and it gets so draining and I think he's going to get so annoyed with me eventually if I keep saying no, I know it's my body and he should respect it which he does but I want to have a higher sex drive to meet him in the middle and keep our sex life at more of a balance. Does anyone have any advice? Is there anyway to increase my sex drive? I love him so much and the thought of being without him makes me feel empty and the thought of this affecting our relationship negatively is horrible. Does anyone please have any advice?