Ha it's the truththeir cool when I know where they are and what they are doing and if they are planing any sneaky stuff to touch me. I lived in a real terrible house for almost a year rented a bed room on top floor, the first floor and basement were infested with roaches I taped all my vents closed and would tape up every crack in the room and on my door every night. It was a terrible place and I didn't want any roaches in my room. O I kept the tv and a bed side light on