Last night's Grey's Anatomy was all about three children - a prematurely born baby, a terminal 10-year-old, and a 15-year-old whose drug use landed her in the ER - in dire straits.
Much like last week, there was a seemingly impossible case on the table, and the emotional stakes were high. Unlike Derek Shepherd, however, Arizona Robbins did not save a life.
But because of the way she carried herself, she may have saved countless lives down the road. How? For a full guide, check out our recap of "Invest in Love." Now, some thoughts: