What does my boyfriend mean when he says, "It's okay, but I'm not a good person either."

The meaning of this sentence is as follows:

The sentence "Fortunately, I am not a good person" may express the boyfriend's self-perception and emotional state. He may have doubts about his behavior or character to some extent, thinking that he is not perfect and may even have some shortcomings or mistakes. It may also be a reaction to other people's expectations or pressure, indicating that he does not expect himself to be a perfect person.

The specific meaning needs to be understood according to the specific context and context.