Holding a grudge?

It's almost 12:00 A.M. I got home a little while ago. I took my mom to the emergency room because she was having chest pains. They think it's a symptom of her diabetes but are keeping her overnight and giving her a stress test in the morning. You know, I think I've come to the conclusion tonight that I hold a grudge against my father. I don't care about what he did to me. I have forgiven him and moved on. But he needed to be the one to keep his vows "in sickness and in health till death do us part" so I wouldn't have all of this added responsibility. My boys take care of her yard, M keeps the house, plumbing, heat, etc. in working order, and I have to run her to all of the many doctor appts. and other places she needs to go. I really resent it all. I asked God to forgive me but how do I move on?