Im 12stone... i need to put on weight , any tips?

Heh, eat more? Protein, with a good work out, will add muscle weight. If you really want to gain weight quickly, Here's how. Find a teen body building website, and follow their plan for bulking. If you couple it with the workouts they suggest, you wil also gain a good amount of muscle mass.

thanks , just what i was lloking for :D

And lay off the cheese.

And lay off the cheese.
What the hell?