Is it normal to never want to see my parents again?

My father is an asshole. Here are just a few examples:

1) Weight
I have always been chubby (not morbidly obese, not borderline obese, 5-20lbs overweight) literally from birth I have been chubby. Now, I can see how this is a health concern, and wouldn't fault a parent from calmly, and supportively helping their child lose weight. My father, the way he does it is by SCREAMING AND YELLING at me CURSING in my face from as early as 6 years old to now (19). He calls me mean nicknames like fatty, and FATTYma (a play of the name Fatima). He makes me feel like ****, I remember being as young as 6, and wishing I could lose weight, and crying about. In grade 7 I tried to become bulimic (that didn't work because I couldn't make myself vomit). On several occasions I have tried to talk to him calmly and tell him when he swears, and yells about me, harps about my weight (he talks about it at least 10x a day) it makes me feel badly about myself. My father then proceeds to yell about me not listening to him, and how one day I will thank him for all his efforts.

2) Name Calling
My father is very set in his ways, if I do something against his even slightly against his wishes he will tell me that I am going to grow up to be a slut or a whore, or disgusting. (ex. a slightly messy/used room i.e. a few stray clothes here and there will lead him to say ^^^the above^^^

3) Bipolar?
Then other times he is overly affectionate, won't leave me alone, and resents when I hold resentment over his previous behaviour. I feel like his love is conditional. Literally the only time he didn't harp about my weight is when I became very ill, a didn't eat ANYTHING for a few weeks (just water), I lost lots of weight, and he was pleased.

I feel like people would say that in my 30s or so I might regret completely cutting my family off, but I feel like I would be happier for it.