Sentence:  And the one subject that I get an A plus in every time, is the ancient art of <WSD>crushing</WSD>. I <WSD>crush</WSD>, therefore I am. I've decided to share the benefit of my wisdom and after months of hopelessly lusting after Dylan, I've REALISED that there are twelve degrees of <WSD>crushing</WSD> from the slightly embarrassing things most girls will do to catch the eye of the heir to their heart, to the verging on ridiculous stunts you pull when you're in the grip of  a passion that renders you powerless. 
Meaning of the word marked with <WSD> tags:  To feel infatuation or unrequited love.