Why does every guy I start dating sex drive die?

So yeah me (21F) and my boyfriend (21M) just moved in together and we had a conversation a few weeks ago about his sex drive because it’s lower than mine. My preference would probably be once a day if not more, but we only have sex 2-3 times a week, which was the usual amount when he came over to my parents house before we moved in together. Anyway he said he doesn’t know why his sex drive is so much lower now, he used to always be really horny, and I noticed that about my last few relationships too, they just don’t have nearly as high a sex drive as I do. It’s hard to think it’s not a me thing, like maybe because it’s too readily available its boring? He has a very physical job that ends up taking a lot of his energy and he does contribute a lot of his low drive to this and me having a desk job with no outlet for my energy also doesn’t help. Any tips for compromises here or anyone who’s been in a similar situation that has any tips to get him more riled up or excited about sex?