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Infatuation

Intense, irrational attraction

  • 8 min read
  • 6 chapters

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Through Irrationality, Adolescence and 17th century

The word infatuated appeared in the mid-17th century, taking its root from fatuus (Latin, meaning "foolish"), and has carried the connotation of irrationality ever since. The psychology professor Dorothy Tennov considered "infatuation" to be among pejorative labels for intense romantic attachments.

Features

Individuals who are infatuated may exhibit a variety of psychological features, for example:

  • They experience persistent, intrusive thoughts about the love object; these might be either fantasy-like, or take the form of anxious rumination which is distracting and distressing. These thoughts may flow continually, alternating over the possibility that one's feelings are reciprocated or not, contributing to the overall volatility of the emotional experience. At the height of obsession, individuals who are infatuated can spend upwards of 85% of their waking hours doting or brooding in this fashion.
  • They idealize the love object, worshipping their positive qualities, and responding only indifferently to negatives. This is also called "crystallization" or "positive illusions".
  • In general, infatuation is directed towards only one potential partner at a time.

The more acute an infatuation is, the more likely it is that these features will be present.

Scientific data collection on the psychological, behavioral and physiological traits of infatuation largely began with Dorothy Tennov's now-classic 1979 book, Love and Limerence. Tennov invented the term "limerence" to refer to a state of infatuation involving obsessional features, because according to in-person interviews conducted by her, terms like "infatuation" and "being in love" were not actually useful for identifying which mental states people were talking about. Informants Tennov spoke to would claim to be "in love" (or even speak of "obsession") while not reporting intrusive thoughts, or they would claim to be "in love" with several people at a time—therefore having wildly different impressions of the meaning of words, depending on whether or not they had actually experienced the state. A survey reported in 2025 indicated that 64% of people had experienced the state, and only 32% experienced distress that made it "hard to enjoy life".

Other researchers such as Helen Fisher and Lisa Diamond have continued to use "infatuation" to refer to the state identified by Tennov, despite Tennov's objection over semantic ambiguity.

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