2) If you fall asleep while playing Sorry with your 7 year old you may start to move your pieces backwards on the board. You are unlikely to win this way.
3) If you get condensation in the tubing of your breastpump it does indeed work to run it for a while with the tubes connected but no pumping pieces at the end. However, it also works to whip them around like a lasso. Yee-haw.