Love can make us act against logic and reason. It can make us irrational. It can make us forget about our own best interests, or even risk our own safety. Why have we developed such a strong instinct to love, when in so many ways it would be easier not to?
When it comes to love, all the mystery, all the poetry and all the complex behaviours that lead to the most life-changing decisions we’ll ever make are driven by just a few molecules in our brains. What's the science of attraction, and can we fake it?