Dating is not illegal as its only a status and not an action. But the 17 year old would basically be daring and begging people to arrest him and face charges if he actually decided to date a 12 year old. So no a 12 year old should not be dating a 17 year old.

Can a 17 year old date a 10 year old?

Briody. Im actually wondering if this is a troll . but just in case, the answer is YES, ITS ILLEGAL. Its essentially child molestation if there is sexual contact of any kind. The 17 year old can be criminally prosecuted, jailed, and branded a sex