WWBW? (what would Betty wear?)

If you don't watch Mad Men (why not?) then you won't get this.
This is what Betty would wear:

Betty would wear this* after the baby and then tell Don that she has a headache.
Forever.
Because Don is a cad.
He's hot.
But he's a cad.

*"This" is a vintage 50's Vanity Fair Peignoir set in aqua that you can find here at Damn Good Vintage.