i dont have any passwords for anything and i dont know what im doing.

If you are the owner or the owner has shared all information with you then to open Activation Lock:- If it is Activation locked, read here --> Turn off Activation Lock - Apple Support Activation Lock for iPhone, iPad, and iPod touch - Apple Support

Learn how to remove a device from a previous owner's account.

If you are not the owner and do not have the Apple ID and Password then there is no way that you can get into this iPhone unless the original owner shares the Apple ID and password with you. If you are lucky you can get into this iPhone if they (owner) accidentally remove the device from their Apple ID.

Without the Apple ID and password, the phone is totally useless. If the boyfriend really was the legal owner of the phone, he can get in touch with Apple to get the Apple ID and reset the password.

He will be asked questions to prove his identity, which Apple will match against the original sales record.