What attracts ghosts?

Answer 1

Interacting with spirits can be dangerous. I wouldn't do it at all, if I were you.

If you're really intent on contacting the dead, use a ouija board. I've heard their quite effective, though I've never used one myself.

Answer 2

things that they had something to do while

they we're alive. but they cant go somewhere

where that havent been while they were alive.
Nothing because ghosts aren't real.