What i've seen

is that when a girl gets dumped by a guy, she will go around saying things like "i know i'm not perfect". girls, don't say that. because if you make that as a reason, we guys can do the same thing. we can go around saying "you're not a perfect girl and i'm not a perfect guy. if you don't want me to judge you of your flaw which is not being able to take care of me, you shouldn't judge mine too, which is cheating on you". come out with a better excuse or just keep your stiff upper lip up and walk away.