Wives have a "loving obligation" to have sex whenever they are asked for it - even if they are not in the mood, says American author Dr Laura Schlessinger.
Yeah. Yeah. Standard Jewish Orthodox teaching on sex. I read a book by a rabbi entitled Kosher Sex. This is one of the points he made. But Jewish Orthodox get about two weeks a month off from getting groped or fondled or even touched at all--their days of separation. So by the time they ritually purify themselves in that giant tub of Godly goodness (called a mitsvot or something), and become available for sex again, both partners want it so badly that moods are simply not an issue.
Very good point and a very civilized practice.