...sort of agree. But one can deeply love those who give them anguish. To stick around with unconditional love and challenge one's self toward non-acting empathy NOT co-dependence or dysfunction, just striving to find balance, seems to be a better solution than walking away from loved ones.
It is the blend of shadow and light that makes chiaroscuro so profound. As Ram Dass said, "The shadow is the greatest teacher for bringing one to the light."
It's all a delicate dance.