Yes all the time you get use to it
No.
No you can not.
6'4"
what size of what??
Yes.
carbs and sugars
no
Get him into counseling and anger management classes.
French Fries
if you have hit puberty then yes if not then no but I would say yes.
If it's a 5'3 12 year old boy it's about 110
No,I would not say it's healthy for a 12 year old.