The idiom "whet your appetite" means to stimulate or arouse interest, enthusiasm, or desire for something, typically food or an activity. It is often used when someone is introduced to something new or different that they might find enjoyable or appealing.

To give up or surrender, often when trying to win an argument or fight a losing battle.

"Carry out" is an idiom that means to perform, execute or accomplish something, especially a task or plan. It can also mean to bring something to completion or fulfillment.

The idiom "foam at the mouth" means to be extremely angry or agitated, often to the point of losing control. It can also refer to a situation where there is a lot of excitement, enthusiasm, or eagerness.

The idiom "baby blues" refers to feelings of sadness, anxiety, or depression that a new mother may experience after giving birth. It is not related to any medical condition but rather a common emotional experience that many women go through in the first few weeks after delivery.