They cant trust you cause they probably cant trust themselves.

 You know the old saying goes if they always accusing you, they probably cheating themselves, cause if a person is constantly blaming you for being unfaithful, or disloyal 9 times out of 10 its because they doing some shit themselves it has nothing to do with you it can be there past relationships or it can be they know they not shit so they treat you like shit, its just facts sometimes you can be the perfect mate for your lover treat them with respect, with kindness, loyal to them just being all in to them but yet they always saying you better not be talking to this person, you better not be having me looking like a fool, are you into this person, do you talk to other people, where were you, when they always asking you these things and you know in your heart that you are strictly and only into them and they keep accusing you just know they cant trust you because they probably cant trust themselves real talk and those are the ones you have to wonder about as far as a long term future because you can hope and try to be everything you can to please them make them believe you only want them but if they never gonna believe it or let you in there heart and trust you then how can you really have a future with them i mean you can but it might never be a trusting relationship if they dont ever believe you are the person you really are and all you have is there best interest at heart indeed.