The series of bodily changes that occur in the female of most mammals from one period of estrus to another. The estrous cycle usually takes place during a specific period known as the breeding season, which ensures that the young are born at a time when the chance of survival is greatest.
ear-to-ear. It's about smiling. Ear-to-ear smile or grin is when you have a very broad and generous smile. Such a smile when each corner of your mouth is by each of your ears. Explain to me why you don't have an ear-to-ear grin right now.
Laughing can be a nonverbal means of saying, been there, join in with laughter and redeem yourself by showing that you're not a stiff.. We've all been there, my clumsy businessman friend, don't feel bad.. There's also the Schadenfreude (more the laughing at side of it) of seeing someone fall. Schadenfreude is the taking pleasure in the misfortune of others, which I think stems from being thankful that it's not yourself who has been put in same the compromising situation.