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 feel-good 3 stuck in a loop used to introduce a statement you believe to be true and reasonable making people feel happy and optimistic about life unable to break the habit of repeating the same patterns of behaviour over and over again