I am a mythical evil creature that frightens children!
That's what I scream when I want to clear a path on the sidewalk or have a part of the subway car all to myself. Other things I scream when I want to have some "me time" in a public space:
Does anyone have any extra underwear?
Having bed bugs suck -- I'm itchy all over yet I want to cuddle with strangers!
Man, my groin muscles are so tight today!
Having "me time" is important. It's a requirement. It's how I stay sane.