There are no laws about dating.
It is not illegal for them to date, but is is illegal for them to have sex.
No, it is not illegal for a 15 year old boy to date an 18 year old girl in the state of Illinois. However, it is technically illegal for them to have any sexual contact.
No.
No.
it isn't illegal to date, but it is illegal to have sexual intercourse.
no
yes
Dating is not illegal; sex is illegal.
No, it is only illegal when you are over 18, its not illegal to date anyone younger or either older than you
it isn't but it should be illegal
Its not illegal to date but you cannot have sex. It would be classed as rape on the 20year old boy.
As long as the minor