Science is like a love affair with nature; an elusive, tantalising mistress. It has all the turbulence, twists and turns of romantic love, but that's part of the game.
Any kind of novelty or excitement drives up dopamine in the brain, and dopamine is associated with romantic love.
Romantic lovers require from each other at least the facade of reason: We desire to be what romantic love makes us appear in the other's eyes. We want to imagine we are deserving of the love we inspire.
The essence of romantic love is that wonderful beginning, after which sadness and impossibility may become the rule.
Romantic love allows you to focus mating energy. Attachment sustains that relationship as long as necessary to raise your baby.