My wife and I have had problems in the past and worked through them.

Right now she shows 0 affection towards me regardless of how much I show her.
we only have sex once a week and it seems like shes only doing it to keep me slightly happy and around.

I'm at the point where I don't know if she still loves me or is just still with me because the kids.
I love her to death and I'm constantly trying to do things to keep her happy, but it seems like she never does anything in return.

I am at the point where i don't know if i want to keep fighting for the relationship.
i am tired and just want to be with some one that wants to be with me.