I'm sure some on the board will disagree, but I don't believe in evoking jealousy, period.
When you come right down to it ... do you want your spouse to want you because they REALLY want you .... or want you because they don't want anyone ELSE to "have" you?
I know my answer, and I'm worth more than the latter.
Caveat: I can see it as a very temporary useful tool in some extreme situations when used as a mega-reality-check for a WAS ... "Wow, someone else DOES want them; I can't screw around here forever and have them be waiting .......maybe I AM losing something good here .....". Although even so, I'm not sure ....
"Show me a completely smooth operation and I'll show you someone who's covering mistakes. Real boats rock." -- Frank Herbert