I'll even go first!
I met a guy through an online service who seemed normal enough. I went through all the safety protocols, took my time talking to him and genuinely felt like he was a normal guy. I even met up with him, letting people know where i was, who I was with, all the right moves and while he was too liberal for me (yes, there is such a thing as too liberal, even for me!) I still felt like he was safe, normal, not crazy.
But there was no real chemistry and I didn't think seeing each other again was worth it, especially since he spent most of his time in NY (vs KC, where I am).
But then, things started getting odd. His text messages were strange, his video text messages were disturbing... he would send me videos of himself as he was driving down the road, just rambling on about I don't know what. Then he sent one where he was yelling in a high pitched voice (think the voice Tony Perkins uses in Psycho to imitate his dead mother...creepy!)..but the final straw was the video of him shooting a pigeon with a shot gun and then picking it up and flinging it into the air repeatedly while (in the same creepy screech) yelling.."fly away birdie, fly away!"
That was it, I told him I'd started seeing someone seriously who was quite jealous and he needed to stop texting me and contacting me so I could keep the new guy happy. I wanted him thinking there was a seriously-jealous, very-large man hanging around me, who might get violent should he show up with pigeons..or a shotgun!
P.S. This was my first attempt at dating after breaking up with someone I'd been seeing for 7 years and it kept me from trying again for another 5 months!