My mom won't let me diet?

(Of course this is an ironic question most teens ask but I want to do something about my weight) since I've started living with my mother I've been putting on a lot of weight. She buys a lot of junk food and meats. I absolutely hate meats (unless it's chicken and Turkey) and the only thing left to eat is junk food because I don't want to starve. If my mother ever does buy vegetables I'm not allowed to eat them until dinner time. I walk 2 miles every day which is the only exercise I'm able to get. And I've talked it over with my mother every time we go food shopping yet I get the same answer from her which is no. I'm about 5'3 and 141 lbs. I don't know what to do! :(
My mom won't let me diet?
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