It can be. It depends on what you mean by "date". 17-year-olds are under the age of consent in the US. Any number of criminal charges could be filed if you are sexually active with a minor and most of them will get you stuck on a "sex offender" registry permanently.
no
No.
no
it isn't illegal to date, but it is illegal to have sexual intercourse.
It is not illegal for anyone to date.
In Florida, it is not illegal for a 22-year-old to date a 17-year-old as long as there is no sexual activity involved.
Yes. He is an adult at 23 and she is a minor at 17. It is illegal.
Yes. Sorry.
No because that is illegal.
It depends on what state you are in, but generally No.
It is LEGAL
Yes. Dating is not illegal. Having sex with a minor is illegal.