Is crazy-eyed rage your party trick? Do you dabble in passive aggressive Post-its? That’ll be your ‘inner chimp’.
People are more likely to take risks when they feel sexy – this may be news to no-one, but research by economic behaviourist Dan Ariely shows just why ‘sex sells’.
If happiness correlates to girth, then either Derren Brown or his readers are likely to be made joyous by ‘Happy’, which is a sizeable tome.