Because McDreamy wasn't already attractive enough. He has to go and step down from work so his wife can focus more on her career, and he'll pick up the slack at home, with their newborn and preschooler.
Yeah, yeah, it's a TV show. Life is always much neater there, what with their four perfect mugs (how?!? We have like 18 mugs stacked up in our cabinet and I NEVER drink a hot beverage, ever.) And chances are, there will be some major calamity on an upcoming episode where their seemingly amazing 24-hour on-site hospital daycare continues to operate seamlessly while the doctors revive dozens from the brink of death.
But still, way to go Grey's. Can't wait to see where this goes.
(Hopefully you're seeing a video here. If not, this link should work: http://abc.go.com/shows/greys-anatomy/video/PL5520969/_m_VDKA0_5mh5ib5q.)