"Gotten into head" is a colloquial idiom that refers to a situation where someone's words, ideas, or actions have deeply impacted or influenced an individual's thoughts, understanding, or perspective on a specific matter. This expression is often used to describe a situation where someone's point of view or information has been internalized or absorbed by another person, causing them to adopt or consider it as their own.
When someone says that something has "gotten into their head," it implies that they have become mentally affected by an idea, concept, or argument that someone else has presented. This influence can be strong enough to alter their perception, beliefs, or attitudes regarding a particular topic. The phrase can apply to positive influences, such as convincing someone to change their opinion on an important matter, or negative influences, such as causing someone to become obsessed or consumed by negative thoughts.
Additionally, "gotten into head" can also signify the persistent thoughts or preoccupations that individuals experience when something has deeply bothered or disturbed them. In this context, it refers to a situation where someone's words or actions have left a lasting impact on another person's consciousness, resulting in continued rumination, reflection, or concern about the matter.
Overall, "gotten into head" is an idiomatic expression that captures the profound influence of someone's words, ideas, or actions on another person's mental state, beliefs, or attitudes.
