What is the origin of the idiom "go to one's head" and when to use it?
The idiom "go to one's head" originated from the concept of alcohol or success having an intoxicating effect on a person. It figuratively suggests that when someone experiences a sudden or excessive boost in confidence, power, or pride, it can lead to a sense of arrogance or inflated self-importance. The phrase is generally used to indicate that the person's newfound status or achievement has had a negative impact on their behavior or attitude.