Mistress Darcy wrote:
He seems like the type that would whine about why girls don't like nice guys like him.

Exactly.

I think this would be a lot sweeter if he were actually married and writing about his wife.   For many items on the list, making them hypothetical takes all the sweet out. 

And ditto Sara.  In general I'm sick of these lists that proclaim the proper way to do anything.  People are different.  What makes my marriage work might fail miserably in yours.