If life were like a computer, it'd have a Restart button; push to begin a bad day anew, no harm done. Undo and Esc would be handy, too. But beware System Restore, which offers to take you back to a time when your life was functioning correctly. Tempting. But where might it take you? Your 5th birthday party at the zoo? That winning shot at 15? Or back in utero, the last place it all made sense? So, be careful. Probably best just keep pushing Esc.