Love/relationships idioms

to fall head over heels

to fall deeply in love or become infatuated with someone or something (like an animal)

the apple of one’s eye

someone or sth that is cherished or highly valued

to tie the knot

to get married

to pop the question

to propose marriage to someone

to play hard to get

to act uninterested in order to increase one’s desirability or attractiveness to another person

to hit it off(with someone)

to have an instant connection or rapport with someone

to be stood up

to be unexpectedly left waiting for someone who doesn’t show up for a planned meeting or date

a match made in heaven

a couple or pairing that is perfectly suited for each other and seems destined to be together

an old flame

a past romantic partner or love interest