in.fat.u.a.tion
[inˌfaCHəˈwāSH(ə)n]
NOUN
an intense but short-lived passion or admiration for someone or something:
"he had developed an infatuation with the girl" .
beware, she's scheming, she'll make you think you're dreaming.
or, in which keith quickly falls in love with the girl that his friends keep warning him about.