Ask HN: Is there a formula for falling in love?

I'm curious if people think that a formula for falling in love could exist? I know the idea sounds strange right from the start but if you look at it from an evolutionary point of view, love is an emotion that helps our species survive through procreation.

Is it possible to start with 2 random people and put them through a series of emotional triggers that cause them to fall in love?

An emotional trigger could be an adrenaline inducing event or physical touching or ????