Can You Start Dinner?

If you are in a commuting, two-working-parent relationship, the IM correspondence with your spouse between 4:00 and 5:00 PM probably reads something like this:
d: train? m: 5:41 hopefully. u? d: 6:27. hopefully. m: dinner? d: dunno. what do u think? m: not sure. pasta? d: had pasta for lunch. chili? you there? hello?
m: S#%T !!!!!! sue just called a 5:00 …