Boyfriend doesn’t initiate sex anymore

So here’s the thing, my boyfriend and I met on tinder almost 8 months ago and we had sex on the first date... and the second and the third. After that it slowed down a little bit but picked up again at the 2-3 month mark. There was once a whole month where we didn’t have any sex. Mostly cause his grandparents were visiting and also he started anti-depressants and they really fucked with his emotions, but then they started working and it was fine for a while when we started having sex again. During that month of no sex, I was so completely down because of it... it was really taking a toll on me cause I have an extremely high sex drive and I know he USED to, but now, we have been dating for almost 7 months and I’m always the one initiating sex. Sometimes when I am trying to initiate he says something like, “I’m too tired” or “next time”. The next time it either doesn’t happen again or he’s tired... again. I really really REALLY miss the days he wanted to have sex with me all the time...

We both smoke weed and last time I told him I wanted to have sex, he said, “if you smoke a lot right now, the feeling will go away” I told him I don’t want to be stoned off my mind right now and he sighed and said “fine”, and we went upstairs and had sex. It was great and all but that reaction he had before sex like it was a chore really hurt.

Sometimes he would invite me over and he would seem really excited to see me that day and sometimes I would hope it’s cause he wanted to touch me and have sex and stuff... but usually we do nothing. Literally nothing and then he falls asleep and I’m left sexually frustrated and extremely bored.

Now I’m not saying the most important part of the relationship is sex. Cause I loooovvve spending time with him and talking to him and stuff but the whole lack of sex drive on his part is becoming so upsetting.

I’ve told him about this... he doesn’t say much about fixing it, he just makes up excuses about completely unrelated to sex stuff.

I really need help with this, I don’t know what to do anymore...

UPDATE: he changed pills and now wants soooo much sex, I love it so much!! We’re way more patient with each other when we’ve had sex so see! It’s kinda important in our relationship