They are allowed to wear what they like and what they prefer and according to their cultures and traditions but subject to following Islamic requirements:
not wearing cloth from or including silk...
Not specifically because they are having an affair, but if they are dressing nicer, wearing cologne, and being more particular about their hygiene, then they are trying to impress somebody.
Men are men because of their genetics. The genetics from the father either pass an X or a Y chromosome to the child. If it is Y, the child is a boy and will grow to be a man. If it is X it will be a...