You're no good for me! Recognizing and breaking out of toxic relationships.

Humans are social creatures who crave relationships. We (often) live in partnership, start families and look for connection. So-called toxic relationship constellations can, however, always occur: As for instance
in relationships in which the needs of one partner are in the foreground while those of the other are ignored and ignored. What forms can toxic relationships take (not only partnership, but also among friends and colleagues)? How and why do they occur? How do you know if you are in a toxic relationship? How can toxic relationship dynamics be resolved (together) or even: How do you end a toxic relationship?