Boundaries, Toxic Siblings, and other Disrespectful People

https://upjourney.com/how-to-deal-with-a-toxic-sibling

Accept that they won’t change

Dr. Ramani Durvasula, Ph.D., an expert on toxic and narcissistic behavior, says that dealing with toxic people is like second-hand smoke, it makes you sick and exhausts you mentally as well as physically.

The best way to steel yourself against a toxic sibling is to accept that they probably won’t change, so don’t waste your time. Instead, focus on your own self-care.