NO! It's perfectly normal. The first ejaculation occurs around 12 years of age.
Yes smoking does effect your sperm count and your sexual prowess. It changes your circulation, which can mean problems with getting and keeping an erection.
Yes, Any aged sperm is
No.
no
Yes!
It's not necessarily bad if flirting is all your doing. Don't let them take advantage of you just because they're older and don't let them make you do anything you don't want them to do just to please them. So no, i personally believe flirting with a 17 year old is fine.
No, it is not. It just means that you are a bad parent.
she doesn't has to its up to the 17 year old and that is bad punishment
13 year old boys can produce sperm.
yes better him then you if something bad happens
No
When you 10-14 year if you have puberty