Yes , everybody grows at a different pace
Yes, in Ohio.
Yes. Both for himself and for the young lady.
yes he's a 17yr old guy dating selena gomez
This depends on the country/state/region, but generally not.
It is on the upper border of normal. If you have an inactive lifestyle, you should get more exercise.
No you wouldn't im 3 and i have 64 tattoos done by another 3 year old.
200kg
There are no laws for dating just regarding sex so yes you can as long as the parents are OK with it. Sex is not legal though.
that's a pretty low resting heart rate unless you are an athlete in great shape.
no
Yes there is no law
A normal 12 year old boy is probably around 5ft. and up. :)