50 / 50--The Chances These Days

50/50--Play make-believe or "wish I didn't have a sister"
0.500--Ability to work things out on their own (aka-go with Gracie's plan)
50/50--Cute or mortifying?  When they look back in ten years to see that they used to play "Wedding..."  (They asked me to be the photographer--what was I to do?)