Most of us think we know what love is; we may just be looking for the right person to lavish our love on. But it’s no insult, and indeed it might even be helpful to imagine, that we don’t have much of a clue what love really is, not because we are deficient, but because our culture never investigates the subject as it should. Here is a list of seven ingredients that the School of Life suggests lie at the heart of a proper understanding of love.