Please give me advice

I’m a mother of 3 I work part time & my husband works full time I’ve been drained lately like I don’t know what to do at this point me & my husband don’t have any us time every time I try to plan something out for us on his off days he has excuses I barely get help from him around the house or with the kids I do everything by myself literally I told him how I felt he told me that I was sick in the head and that I’m just saying dumb shit🥺😔 our marriage is so boring we don’t have any fun as couples he literally has no time for me or our Kids he’s barley home I cry myself to sleep he doesn’t care he don’t apologize when he’s wrong he lets me go to sleep upset at him I’m literally so drained I come home from work and I gotta take care of my 3 kids by myself I don’t have no time for myself 😢 I’m crying as a type this please what I should do ? I honestly don’t wanna be married anymore I’m so depressed it’s killing me inside but I’m staying strong for my kids .😢🥺 he games all night and comes to bed and literally sleeps a different direction from me and doesn’t say no word to me no I love you no kisses just nothing !!