extra maritial affair

The more in love a woman is with a man, the more physically attractive she finds him (Price & others, 1974). And the more in love people are, the less attractive they find all others of the opposite sex (Johnson & Rusbult, 1989; Simpson & others, 1990)."...

The thread about married men (people lets face it women do as well) seeking extra marital sex or relationships has made for some facinating reading. It does in my mind raise an interesting question what is cheating ? assume all the following are done with out your partners knowledge...