What do you do to that one person who has hurt you a lot that you're no longer moved by any kind of kindness they do?

No one hurts no one. We All are bestowed with natural gifts of ears and eyes to ignore n avoid the irrelevant.

So, when these gifts are Not used the mely, sentients suffer for their own fault.

All humans are gifted with convenient listening n forgetting power.
Using that helps All.

stop any form of connection I have with them