You are "good enough", just as you are. People say hurtful things when they are overwhelmed, and when those words come from people we are care about, they are even more troublesome. In such moments, I've had the best luck of getting rid of those sticky, negative thoughts by reminding myself of a few things: other people have problems (like being overwhelmed), that I am not the cause of their pain, and that I have good intentions. Surrounding myself with people, who know that it is respectful to say only kind things to the people to whom they are closest, has been a wise decision. And if I find myself stuck in pain or circular thoughts, in private, to re-assert my psychic boundary, I will hit pillows while I shout, "No."