Well start working out maybe?
If you do already start testing yourself with bigger weights or whatever.
I don't workout but I help with things around the city I live in so I lift a lot.
:D Good.
Also do you eat healthy foods?
Eating things like asparagus and broccoli can help with building muscle mass.
Carrots help with eyes.
Milk helps with bones, because c a l c i u m .
And I think bananas have potassium, which means s o m e t h i n g ?