Yes, my friends, there is a drawback to EVERYTHING.
Here's a piece about why so many people get sad after sex. Even when it's good. The behavior even has its own name: post-coital tristesse, a Latin-French phrase.
Fortunately, just seconds after that article sent me into a deep depression, I found this site, The North American Field Guide to Lingerie. Just in time for Valentine's Day, it offers male shoppers definitions of the different lingerie items they're considering buying for their significant others.
Significant others who, by the way, might not be that thrilled to learn about the site comes with a bunch of convenient visuals.