Completly.
Boys begin Puberty between the ages of 11 and 16, with the majority of them begining around 14.
That is normal puberty could for him around 16 it is nothing to worry about
Yes, hair growth is normal for a boy going through puberty. However, at 13, I very much doubt you're at the end of puberty. Most males end puberty at around 16 or 17.
It's perfectly normal, everyone hits puberty at a different age.
Everybody is different. It is perfectly normal not to have reached puberty by 13. Chances are, you'll reach it soon, though.
dude its no woory. i stated when i was about 12, but 13-14 is normal
Around 16 for boys. Around 14 for girls.
It is normal, especially if you haven't gone through puberty yet or are just at the beginning of puberty.
Guys start puberty when they're 11-13 years old
No, this is fairly normal for boys in puberty.
Yes,it is normal as you do,Puberty is like changes your voice.
Nothing, an erection at age 13 is completely normal. Like the person before me it is normal. You are just going through puberty.
Yes, it is normal to grow hair on your scrotum and in your pubic area when you go through puberty.