Infatuation or being smitten is the state of being carried away by an unreasoned passion, usually towards another person for whom one has developed strong romantic feelings. Psychologist Frank D. Cox says that infatuation can be distinguished from romantic love only when looking back on a particular case of being attracted to a person. Infatuation may also develop into a mature love. Goldstein and Brandon describe infatuation as the first stage of a relationship before developing into a mature intimacy. Whereas love is "a warm attachment, enthusiasm, or devotion to another person", infatuation is "a feeling of foolish or obsessively strong love for, admiration for, or interest in someone or something", a shallower "honeymoon phase" in a relationship. Dr. Ian Kerner, a sex therapist, states that infatuation usually occurs at the start of relationships, is "...usually marked by a sense of excitement and euphoria, and it's often accompanied by lust and a feeling of newness and rapid expansion with a person". Phillips describes how the illusions of infatuations inevitably lead to disappointment when learning the truth about a lover. Adolescents often make people an object of extravagant, short-lived passion or temporary love. "It is customary to view young people's dating relationships and first relationships as puppy love or infatuation"; and if infatuation is both an early stage in a deepening sequence of love/attachment, and at the same time a potential stopping point, it is perhaps no surprise that it is a condition especially prevalent in the first, youthful explorations of the world of relationships. Thus "the first passionate adoration of a youth for a celebrated actress whom he regards as far above him, to whom he scarcely dares lift his bashful eyes" may be seen as part of an "infatuation with celebrity especially perilous with the young". Admiration plays a significant part in this, as "in the case of a schoolgirl crush on a boy or on a male teacher. The girl starts off admiring the teacher ...