Originally Posted by
HopeandCope1988 
I agree, it is a healthy boundary. It is a boundary I'm still working on learning to implement. I've approached the subject with him multiple times, and am met with nothing but resistance.
The only people we need to approach the subject of our boundaries with are ourselves. His resistance to the idea is all the information you really need.
Since we can't change others to control our anxiety, pain and discomfort, changing ourselves and our reactions to others is our only path forward to healthier living.