Depleting sex drive

This past year has been really tough, my SO and I have moved multiple times, we have a lot of financial ups and downs, relationship issues and I’ve been seeking therapy for my depression and anxiety. Because of all of these things, my brain just does not prioritize sex. I don’t feel horny and if I do, it’s super rare. Despite this, my SO have sex 2-4 times a week. I don’t want him to feel like I love him less or that I don’t want him. I don’t think that is good enough for him and it shouldn’t be! He deserves a woman who essentially has tunnel vision when it comes to sex with their man. I find my mind wandering, thinking when it is going to be over. And it’s not that he’s small or bad at sex. I don’t really know what to do. I feel like I’m in such a negative state that I want to blame him but I know it’s me. We fight a lot because of it, he can sense I’m not into it. But I try. I’ve been going to therapy and trying to change my thought pattern. Help.

EDIT: we talk about it a lot, I’ve explained it over snd over and he says he understands one day and then the next day says: “well how I am supposed to feel, I’m young I have a high sex drive” sometimes I think maybe I’m not attracted to him but when I see him my heart melts, I’ve even tried fantasizing about someone else and so couldn’t even do that it’s like the switch is permanently down, I don’t even feel horny when I think about Michael B Jordan or Chris Hemsworth in his Thor costume.