How to Draw a Hug and a Kiss

"How to Draw Romantic Couples"
How to Draw People (August 26, 2008)

"Couples are a unique challenge when learning how to draw people. Not only do you have to draw two people accurately, but you often need to draw them in a way which shows the closeness of their relationship with each other. The easiest way to do this...."

The post is short, with three simple illustrations, but it's got a good information-to-fluff ratio, and represents one of the few discussions of this aspect of drawing I've run into.