The idiom "live and breathe" means to devote oneself completely to something or someone, to be totally engrossed in it. It can also mean to exist or survive only through this thing or person.

"At cross purposes" is an idiom that means two or more things are happening or being done in a way that opposes each other or leads to confusion and conflict.

The idiom "skeleton in the closet" refers to a hidden secret or shameful act that someone wants to keep hidden from others. It implies that there is something unpleasant or embarrassing about the information being withheld, and it could cause harm to the person if revealed.

The idiom "all roads lead to Rome" means that no matter what path you take, you will eventually end up at the same destination. It can also mean that any outcome or result will inevitably lead to a desired or planned end.

"Elvis has left the building" is an idiomatic expression used to indicate that someone famous or important has departed from a location. The phrase originates from a real event when Elvis Presley died in 1977, and it gained widespread use as a way to express shock or disappointment.