It's up to the boy and his parents. Every family is different, so there's really no definite answer to that.
Yes, it should be hyphenated like so: sixteen-year-old boys.
No, it is not appropriate for 12-year-old girls to be only in underwear around boys or anyone else. It is important to respect individual privacy and boundaries, and being in underwear in front of others can make someone feel uncomfortable or exposed. It is important to practice modesty and respect others' comfort levels in such situations.
A ten year boy should way about at least 90lbs.Of course the ten year old boy I'm talking about is not all health but a little fat.
they shouldn't.
yes.
There is really no point.
lose weight!
Sports toysVideo gamesToysClothesIpodCandy
Yes
1,500mg a day.
From 1839 to 1848 laborers, such as breaker boys were 82 cents an day, without docking any of it. After their wages increased, but not by much.
It is because most 13 year old boys do not have as much body fat as adults, which is key to getting great abs.