"Don't know what I saw in him" is a grisaille referring to the works of old renaissance masters. Only one element lights up in color: a small shepherd's purse. This modest plant has been used artistically since 18th century as a metaphor for healing.
A female figure depicted as a cupid is trying to target the right man while blindfolded. Difficult to know what you saw in him if you couldn't see while aiming the arrow....