@DestinysDad,
As to the POS reference, that accurately expresses my impression, but it was overly harsh based on a few sentences posted on a board and I apologize.
As to the male equivalent, wearing a nicely cut suit can demonstrate physical build, taste and wealth, all of which make males attractive. You could argue that wearing a muscle shirt is an equivalent if you want. The point is that a man dressing to make himself more attractive to the opposite sex wouldn't even draw a comment. For most, niether would a woman.
My point about being mindful
of your spouse is that you are comparing things that are grossly different in magnitude. IMO, your wife being upset at the potential of you getting a lap dance is not in the same category as your concern about her wearing a sexy dress. Not even close. That you feel that it is is telling IMO. Do you feel that another man potentially seeing your wife from afar as attractive is the same as a stripper wiggling on your lap?
Of course, I don't know your wife, but if she really has the serious disorders over appearance that you describe, wouldn't she be scared to death about wearing this dress in public? That she is willing to do this tells me that she is confident in her appearance and not afraid of showing her face to the world. I've known people with serious image disorders and they would never expose themselves to the ridicule of others by walking down a runway. Working hard to maintain her appearance is not a sign of "serious disorders over appearance." Maybe there is more you aren't telling us, but working out is not a "destructive behavior".