contagious

When I first got up this morning I couldn't stop yawing, in fact it was a symphony of yawns that stayed with me until I ran into another unsuspecting bystander, my wife and I looked right at her and I yawned. With in minutes she was yawning and I quickly left the room so that I would not be getting the yawns back on me. It was now my wife's turn to find an innocent bystander and let the contagious