Terra and Sherry are so tired they start yawning of course you know when one yawns the other does cause yawning is contagious. Then Terra pulls out a measuring tape because they want to see which mouth is the biggest. Then they measure teeth to teeth with yawns. They then measure sideways to see who has the widest yawn. They then discuss dentist issues growing up Sherry had an over bite and Terra had an underbite.