New Words of Why Do People Like Sad Music?

1. lactation (n.)

the process in which a woman or female animal produces milk.

Example:
You shouldn't cut calories before your baby is 6 weeks old when lactation is well established.

2. circumstance (n.)

a fact or event that makes a situation the way it is.

Example: 
The meeting has been cancelled due to circumstances beyond our control.

3. breast-feed (v.)

(of a mother) to feed a baby with milk from her breasts.

Example:

Exclusive breast-feeding for at least six months cuts the baby's chance of developing ear infections in half.