Boyfriend not supportive at all.

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My boyfriend is not supportive at all. Firstly, he doesn't care what size I am. He has a thing for big women anyway. He is also Puerto Rican. I don't know how much you guys know about the culture, bit it is mostly acceptable for women to be overweight. even preferable. He cannot understand why I am so self conscience being only 20 or so pounds overweight.

He is really skinny. He has maintained the exact weight he had when I met him in 2007. He can eat whatever he wants and not gain a pound. So he is unable to sympathize with my struggle with food. He is also very uneducated about diet and fitness.

This is a huge problem because I don't have anyone else to turn to... Has anyone else dealt with an unsupportive partner?