Once had a guy I'd met only once try to threaten me with "I will stop pursuing you" if I didn't cancel my plans and meet up with him last minute. I laughed and blocked him immediately. Not even worth a snarky comeback.
That video is scarily accurate. Definitely explains the tearful, 2am "I still love you" texts from exes who used to give you the silent treatment while you sat there paragraphing them after every fight.