I am 17 my boyfriend is 23 what kind of trouble could he get into if we have sex even if my mom know

you none, him alot. Get your Mom to give written permission that she will not charge him with statuatory rape. Say if you two get in a fight or she gets angry at him. Otherwise most states wont do anything unless the parents push for it.

It depends on what state you are in. Some states have different ages of consent. http://www.webistry.net/jan/consent.html

depending on where you are , laws vary . In my state , once your 16 you can