So darned confusing that you literally have to just cease and desist in trying to make sense of the insanity of it all.
Exactly, you just have to stop making sense or trying to understand anything they do or say, because to us, it's neither rational nor logical. When I start rehashing stuff, I just have to stop myself and think, "it is, what it is". I found relief in using that mantra because it stops obsessive thoughts and the what-ifs.
And as others pointed out, they do lead a very sad existence. When I would ask my ex what was good in his day, his response "talking to you". After we broke up and I tried to remain friends and I would ask him what was good in his day, he'd be pissed that I would ask such a stupid question, and then finally say "well I'm alive, my kid is alive, I guess that's good." Everything in life was negative, and instead of trying to do anything to change his circumstances he'd just default to "it is what it us". He acknowledged at the end that he doesn't know that anyone can make him happy, because he doesn't even know how to make himself happy.
Because you are here and posting, you may not be happy now, but you want to be. You are taking care to heal yourself. And that's something that they aren't able to do. You my friend, are winning.