I am awed by the dimensions of my love for these girls. Just when I think I sort of have a handle on how I feel about Briar, how I feel about Avery and how I feel about them together, I am hit by a new wave of emotion. Last night Avery slept in her crib. In another room. The entire night. Who knew that you could celebrate and mourn at the same time? I am so fiercely proud of how smoothly she seems to figure everything out. From the day she came home she has seemed to anticipate things that needed to happen before Sean or I ever clued in. She shifts gears and adjusts to whatever happens. She has spread through the…