Help on my 'lose weight over Summer' plan? :p?

I'm 13 and in my school, we get 6 weeks off for summer. By the time I go back to school, I want to have least lost a bit of weight or started healthy eating, exercising etc. Please could you give advice on how I can lose weight over Summer? P.S don't suggest joining a gym, I don't wan't to gain... show more I'm 13 and in my school, we get 6 weeks off for summer.
By the time I go back to school, I want to have least lost a bit of weight or started healthy eating, exercising etc.
Please could you give advice on how I can lose weight over Summer?
P.S don't suggest joining a gym, I don't wan't to gain too much muscle so that it stands out.
I'm not used to healthy eating OR exercising everyday. I'm over weight and I need advice.

Please help? :)
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