Child A + Child B = Mommy holding a heap of tears on the floor

You know your day isn't going to go well when 10 minutes into the morning routine, Child A walks into corner of door causing mommy to place Child B on bed and go to comfort Child A's cries.  While Mommy's attention is tuned to distressed Child A, wiggly & curious Child B decides to roll off bed, increasing the overall volume and tear level to a maximum.  Daddy enters to find mommy, not sure whether to laugh or cry herself, holding two red faced children...
Insert coffee & concussion checklist here...