*hugs* to you. I remember this feeling. In my case it was single parent to an infant child who was still nursing a million times a day and night, step mom to a very confused tween, and surrogate mommy/enabler to a 4 year old in a 30 year old's body...sucking me dry of energy and patience.
It didn't hit me until *after* I'd left XAH that being a single mom was way easier when I didn't have to coddle a grown man.