They’ll enjoy it when you take them out to dinner
They’ll be more than happy to go to dinner with you and they aren’t that picky. They’ll enjoy ordering and eating food with you.
If you’re fat, she won’t judge you and you won’t look bad next to her
If you’re not fat, you’d look good next to her
You won’t have to worry about being physically fit
If she doesn’t care about her weight, you don’t have to care about your weight either. She most likely has low standards because she knows she’s not attractive enough to have higher standards.
She’s probably a good cook or good restaurant/food selector
Fat people usually love everything about food, so they’re either good cooks and/or know all about delicious foods and nice restaurants.
She’ll reward you when you feed her enough
Take her out to lunch, she’ll be happy enough to cook for you next time. Cook her something, she might reward you with sex.
She most likely has a good personality
She has to be nice because she’d be alone forever if she has nothing to offer besides being fat.