Like, totally, duh!
Dating site OKCupid has done an analysis of 500,000 inquiry messages in order to determine what keywords correlate most strongly with getting a reply or getting deleted. It has an interesting gender lesson.
Mentioning someone?s level of attractiveness decreased the likelihood of getting a response (for both men and women), though men were more likely to mention looks. But general compliments about one?s profile increased the likelihood of getting a response: