*10 minutes laughter can make you burn btwn 20 & 40 calories
*1 hour of hugging can burn 70 calories
*1 minute kiss burns btwn 2 & 4 calories depending on how intimate it is
*3 minutes teeth-brushing can burn 10 calories, on average
*You lose 150 calories an hour when you bang your head against a wall
*More calories are burnt sitting in the cold, than in heat