Most Helpful Guy
My ex wife did this. Even going as far as sending me "accidental" texts that were meant for the guy she left me for. It didn't work, made me more thankful that she left!
Some people are just narcissistic. If they see their actions are not effecting you like they think it should, they will go out of their way to try and create the reaction they were looking for.
Don't give it the time of day and find yourself someone who is worthy of you.2
Most Helpful Girl
So you don't lose feelings over them so they can get a ego boost off it or have you as optional if it don't work out with someone else. Completely ignore1