It called "cognitive load". People are pre occupied with the thing that takes them the most mental effort. New mothers, people giving up smoking, people changi

It called "cognitive load". People are pre occupied with the thing that takes them the most mental effort. New mothers, people giving up smoking, people changing diet, people trying to hide things about themselves. "The lady doth protest too much" http://en.wikipedia.org/wiki/The_lady_doth_protest_too_much,_methinks http://en.wikipedia.org/wiki/The_lady_doth_protest_too_much,...