When you identify the need to set a boundary, do it clearly, preferably without anger, and in as few words as possible. Do not justify, apologize for, or rationalize the boundary you are setting. Do not argue! Just set the boundary calmly, firmly, clearly, and respectfully.
You can't set a boundary and take care of someone else's feelings at the same time. You are not responsible for the other person's reaction to the boundary you are setting. You are only responsible
for communicating the boundary in a respectful manner. If others get upset with you, that is their problem. If they no longer want your friendship, then you are probably better off without them. You
do not need 'friends' who disrespect your boundaries.
At first, you...