infatuate

My heart, my heart, my heart,

I feel my heart will break,

I cannot know for sure what cause if this was there before

infatuation

ɪnˌfatʃʊˈeɪʃ(ə)n,-tjʊ-/Submit

noun

1.

an intense but short-lived passion or admiration for someone or something.

"he had developed an infatuation with the girl"

synonyms:          passion for, love for, adoration of, desire for, fondness for, feeling for, regard for, devotion to, penchant for, preoccupation with, obsession with, fixation with, craze for, mania for, addiction to; More

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