i dont know how your mum could call you fat, i perfer women with some natural curves than being a skinny a rake, that looks like they would snap, i guess your mom doesnt each to there own ay ? there loss i think :P
must have been very difficult, we rehomed a dog after 18 months years ago because we were unable to work through her issues so i know exactly how you feel. One of the hardest things i ever did xx Big Hug x