Ever notice how People hurt People? They want power over your existence so, they hurt you...or TRY to.
While you may not be impervious to their attempts to cause you pain, you CAN and MUST use your power to IGNORE. That is your personal delete button. Cease to give that person power in your life by reducing their importance. YOU are who matters most, not some non-caring imbecile who inflates their importance. They will wither like the grass. Put them in the proper perspective. And remember - Wherever you go, there you are. So, take good care of you.
Let that person cease to exist in your world. I have even gone so far as to have a "funeral" for persons that had no place in my life.
My florist LOVES ME. When my ex and I parted ways, I had a "letting go" ceremony. I went to my florist and ordered 3 Black Balloons. When I told him what they were for, he said what a MARVELOUS idea! Then he asked what I'd like to say on the card? I said, "Ba-by... You DON'T want to know!!! " - We both belly laughed about that. He then festooned the black balloons with mylar streamers and decorative weights.
I then drove to the California Coast and had my ceremony. I said my good-byes, had my closure and RELEASED! I released the balloons and told them to carry as much of my pain along with them as they travelled through the air - up and up, and up and out of sight!
But wouldn't you know that the B-word with seven letters, got a last lick off of me? The wind was blowing off of the ocean in MY DIRECTION. So, as I tried to hold the balloons to "say my piece" the wind was causing them to beat the crap out of me, ROTFLOL
Ah, but I got the last laugh. I LET GO!!!