So, I suppose we've all encountered people whose behavior seems normal at first, then they totally transform into some sort of psycho with no sense of logic or reality. Let's hear your stories... I'll go first
So DH is working on a photo book project that he hopes to publish on Lulu or Blurb. He's not expecting to get rich off it; he just has some ideas for photos and would like to collect them all into a book. He used to work professionally as a photojournalist, so he knows what he's doing. What he's putting together is a collection of boudoir/erotic photos of various women. He's not interested in "porn," he wants these to be unique and different from other photos in the genre. The particular case I'm talking about involves his idea to do a shoot merging Goth and cowboy cultures. He had a Facebook friend, a woman that I didn't know, but we have mutual friends. He has been talking to her for a couple of months (before his heart attack, even) about doing some photos. She was all excited about it, telling him her ideas and directing him to some of her modeling work pics on FB. He thought she would be good for the Goth/Cowboy shoot. They came up with a day and time to do it, and he was excited about it. He was gathering up various props the night before, getting his gear all ready to take out to the old cow corral off a little-traveled road that we know. This chick e-mails him and tells him, out of the blue, that she's afraid and wants to have someone go with them. He's got a truck with only two seats. He told her if someone wanted to go along, they'd have to ride in the back. The road is not suitable for cars. She was all whiny about not wanting to go with him by herself, she was afraid, blah blah. Now, this didn't make any sense because she'd been all gung-ho about the idea until now. If she had qualms about him, she could have asked our many mutual friends. And, mostly, why didn't she express this "fear" up front and say she wanted someone to go with them rather than waiting until the last minute? DH was pretty pissed off about it, and he sent her a message to that effect. I mean, really. He's a severe diabetic in kidney failure who just had a heart attack. This chick could probably take him in a fight. And she had some fear that, what, he was going to rape her? Next thing he knows, she e-mails him some virus. Luckily he has a good virus protector on his computer that caught it. Of course, she denied that she sent it to him, and - here's the weirdest part of all - told him that her boyfriend (who is in
prison 
) is a "black magic" practitioner and he (my husband) had better not try anything against her. WTF? All he wanted to do was take photos. She's the one who flaked on him - now she's threatening HIM with her jailbird "boyfriend" doing what -- cursing him? It is laughable but also just so whack that it makes no sense. I don't know if this chick is on drugs or what. I told DH he was better off not having gone anywhere with her - she sounded like the type who'd claim he tried something with her, and it would be her word against his. He agreed.
So what's your crazy nutjob person story?