My mother takes care of niece whom my sister abandoned. She calls me every day complaining, but I don't want to hear it anymore.
How can I avoid family members who stress me out?
It can really be difficult to listen to someone constantly complain and it can take a lot of emotional energy to be the listening ear to someone struggling. Perhaps having a conversation with your mother about making the communication more productive in nature. It seems like your mother is obviously having some difficulties and she is stuck, therefore making you stuck listening to complaints on repeat. Explain to her the impact it has on you to listen to the complaining and not working towards changing things or coming to a level of acceptance or even making the conversation mutual, such as her being there for you. This may or may not help her to come around, but at least it can open up the conversation and be an effort towards initiating a change.