i got a high metabolism so no matter how much i eat, i never really gain a weight, which is strange cause i eat as much (if not more sometimes) and they gain weight much quicker than i do lol...

As for going on your diet, just eat healthy and stay active....both go hand in hand, you can do one without the other....or something like that....sorry i've never tried to go on a diet before so im just going by what tv says! lol

All the best and goodluck!