I am a compulsive self-frisker as well... Glad to know I'm not the only one!
heh... okay, that just sounds wrong...
but, being an absent-minded goof who routinely leaves the door to the house swinging open and the car keys in the freezer I will admit to being another frisker as well.
checklist for leaving for work in the morning... keys, check. phone, check. house closed up and/or everything turned off, check. lunch in hand, check. keys, check, phone, check. house closed up and/or everything turned off, check. lunch in hand, check. (lather, rinse, repeat as needed till it finally sinks in that I'm okay to go).
Then, after all that, I'm in the car and pulling out of the driveway and I catch myself wondering if I left the fridge door open. I'm hopeless.