what should i do ?

I don't know we're to start other than I fallen out of Love and I don't know what to do. I have a 10month old child with this man .were constantly arguing about the same thing him not doing. he is lazy full stop (plays ps4 evenday allday) he won't do anything for himself It's only recently he's started to help a but more but to me I think it's a little to late now . we have never done anything together oh wait sorry ( 2 of HIS family's EVENTS) WE'VE Been together about 3 years now . I don't find my self wanting to give him any sort of attention. sorry( Tmi .When it comes to sex i actually hate it I want him to stop and it to be over !!)we had a silly agument about him cooking again 😂 now im staying at my moms .this is my opportunity to leave him .i feel so bad but I'm not happy iv always got a resting bitch face ..where has my smile gone I feel depressed I already have depression as it is .I really have tired to stick it if just for my lil boy because i know what it's like not to have a dad around .I would never ever stop him cing him that's the last thing I want.i dont know to tell him .any advice please..