What should I do, and how?

I love my hubby,but Im really tired of the way he's treating me.It seems he's never there when I desperately needed support.No,I dont expect him to help me in any way(he always push the problems to me,be it his or ours),but I just wanted a bit of comfort,even a simple"u ok?" will do.I talked to him abt this many times,tried all sort of approaches - gently,demandingly, rationally,tearfully,hysterically,anythi… 1 can think of.But the results will always be the same-he will just say im picking on him,&plainly show he do not want to discuss further.I will be left hurting more than before.Then he will behave as if nothing happen the next day and expect me to do the same.I have to go thru this cycle again and again.This time,I'm really breaking down,my mum in hospital,my sis got into trouble,stressed with the work he throw to me(it's a family biz),my son got cut in the forehead&had stitches,I settled all this,and not a kind word from him.Talked to him,end up in quarel.Shd I walk out & how?