Why are babies cute? Why is cake sweet? Philosopher Dan Dennett has answers you wouldn't expect, as he shares evolution's counterintuitive reasoning on cute, sweet and sexy things .

And then they'll get stupid drunk and smash cake in each others' faces and do the Macarena, and we'll be there showering them with towels and toasters and drinking their free booze and throwing birdseed at them every single time even though we know, statistically, half of them will be divorced within a decade.