"Jekyll and Hyde" means mean a person who changes from good to evil from one situation to the next, not necessarily that they actually have dual personality. So as she is trying to be with him he hurts her. When she brings it up he makes it look like she is the one whose crazy. In the song she says "So why don't you leave me alone or say you were wrong" because she "wants more than just to try and love him", she wants him to "take ownership" of his problems so she can forgive him.
"Jekyll and Hyde" means mean a person who changes from good to evil from one situation to the next, not necessarily that they actually have dual personality. So as she is trying to be with him he hurts her. When she brings it up he makes it look like she is the one whose crazy. In the song she says "So why don't you leave me alone or say you were wrong" because she "wants more than just to try and love him", she wants him to "take ownership" of his problems so she can forgive him.