Answer: Weak tooth enamel.
Explanation: Bulimia nervosa is a serious eating disorder that consists of eating large amounts of food and then purges to get rid of extra calories. As you might know, when you throw up, some acid in your stomach also goes out with the food. This stomach acid weakens your tooth enamel.
When you eat a lot of food usually after a holiday or something
A person walking, a thrown baseball, a crumb falling from a table
As a girl I can say that the uterus sheds the egg.