Matching Pairs The science of falling in love - VOCABULARYOnline version match up by Micaela 1 head over heels 2 lust 3 asexual very strong feeling of sexual desire not experiencing sexual attraction towards anyone of any gender (idiom) be completely in love with somebody 1 it’s fair to say 2 stuck in a loop 3 feel-good unable to break the habit of repeating the same patterns of behaviour over and over again making people feel happy and optimistic about life used to introduce a statement you believe to be true and reasonable