Is it normal that i don't care for my mother like everyone else?

Is it normal that I don't see my mother as this wonderful human being that everyone seems to treat her as? People have always felt bad for her because she had to take care of my dad. I was six when dad got diagnosed with Multiple Sclerosis, but that didn't stop him from being verbally abusive. When I was 11 Dad had to quit working, and that's when things really changed. I was bullied as an adolescent by classmates and by my dad, and Mom would guilt trip me about getting upset over it because 'there are people in the world that have it so much worse than you'. After awhile, I stopped turning to her altogether.
Before you conclude that I am a bitter woman that can't let go of her past, hear me out. My father died in 2004, and my mother still blows off what I go through. Once in awhile people still comment on how hard she had it, even though she has a free life now: she goes on out of state trips every other month. I am married now, and two of my four sons have autism. In June of this year, I was diagnosed with Crohn's Disease. Mom still tries to blow off my problems by saying 'you could have it so much worse'. I remember Dad telling me once that 'your mother has too much of her father in her to give a shit about anyone else'. I don't have any close female friends, and my husband has told me that it is probably because my mother has left me afraid to trust other women enough to turn to them.