It seems like this girl is complaining because she got chewed up and spit out, used by the narrator in a recent relationship.
He replies it's not his fault, because he never asked her for anything.
He's telling her to try to just be happy, it's up to her if she wants to bleed for this unsatisfactory not fully-corresponded relationship or to just move on.
"Happiness is a choice"?
It seems like this girl is complaining because she got chewed up and spit out, used by the narrator in a recent relationship.
He replies it's not his fault, because he never asked her for anything. He's telling her to try to just be happy, it's up to her if she wants to bleed for this unsatisfactory not fully-corresponded relationship or to just move on.