For the most part, guilty... there are a few exceptions... but I can't think of any at the moment.
G/NG - Has a plot bunny they don't want to write, but can't get rid of.
^ Is technically right.
< Tends to work on only one story at a time... at least the bigger ones. One shots sometimes sneak in.
V Has more WIPs than V knows what to do with.
Seen... no, not exactly. Seen the effects? Yes. The house I grew up in was haunted. Drawers and doors would open and close on their own and the dryer would start on it's own.
I have never been called crazy for believing in hauntings.