The ideal poo is a 'type 3' or 'type 4' – cracked or smooth sausage – delivered once per day. Are you a three-times a day kind of person, or is a trip to the lavatory a more rare and special occasion?

In one video that's been viewed more than 2.8 million times, Roslyn shares three ways you can tell if you're "fully emptying" when you poop ... "The number one thing you should be paying attention ...