The idiom "love child" is used to refer to a child who is conceived out of wedlock, or as a result of an affair or adultery. It often implies that the parents were not legally married at the time of the birth of the child.

The idiom "blood, sweat, and tears" refers to investing a great amount of effort or dedication into something.

The idiom "a stitch in time saves nine" means that it is better to address a problem or fix something when it first appears, rather than waiting until the situation has gotten worse and requires more effort to repair.

The idiom "ants in pants" is used to describe someone who is very active, energetic, or restless. It suggests that the person's movements or actions are fast-paced and unrelenting, similar to the behavior of ants when they are searching for food or building their nests.

The idiom "pour cold water on" means to ruin someone's plans or destroy their mood by introducing an unpleasant or unwanted element into the situation. It is used to express disappointment, frustration, or a desire for something more positive or agreeable.