The phrase "gotten into one's head" is an idiomatic expression that refers to an idea, belief, or concept deeply ingrained in an individual's thinking or mindset. It describes a situation where a notion has become firmly established in someone's mind, typically influencing their attitudes, opinions, or behaviors.
When something has "gotten into one's head," it implies a strong mental impression or influence, often resulting from repeated exposure or personal experiences. The idea has penetrated their thoughts to such an extent that it has become ingrained, shaping their worldview or perspective on a particular matter.
This expression can be used in different contexts, such as a person being obsessed with a certain idea or theory, unable to think of anything else. It can also imply a fixation or preoccupation with an individual's self-image, aspirations, or fears.
Furthermore, "gotten into one's head" suggests that the idea or belief has taken a hold of someone and is unlikely to be easily altered or discarded. It conveys a degree of stubbornness or resistance to changing one's mind even in the face of contrary evidence or rational arguments.
Overall, "gotten into one's head" signifies the deep integration of an idea or belief into an individual's thoughts and is often used to convey a strong and unyielding stance on a particular matter.
