It's on ongoing delusion... I think a group of people is after me, it varies a little as to who I think might be doing it. I used to think they'd put a bug in my ear & were trying to make me think I was a sz when I wasn't. Largely I know that's not true but sometimes I get a stray thought along those lines...

I bolted the door etc & turned on some lights around to make it look like more people are in. I've always been a bit nervous about staying in the house alone but delusions just make it worse if there is a trigger. I'm just glad I have a reasonable amount of insight into these things.