Not to rain on the recent parade or anything, but Stephen Greenblatt weighs in here on Wagner, Milton, and the notion of marital bliss.
Update: Oops! Never mind, I was handed the paper version, and didn't realize when I linked to the online version that they stuck the meat of the article behind the damn paywall. It's in the June 23rd issue of The New York Review of Books, should you wish to access it at the library. If there are still such things as libraries where you are.