Mark chats to a professional eater from America who does food challenges for a living.
Mark talks to a car technology expert about how we can keep in touch on the move safely.
Mark asks what do you do to stay hip and cool.
Mark asks do we look after our war heroes enough.
Mark discusses the etiquette of giving up your seat on public transport.
Mark asks how honest you think you are and speaks to an etiquette expert.
Mark finds out about the smart bins being installed in Coventry which are solar powered.
As more than half of the UK says they're single, Mark takes a look at single life.
Mark discusses book swapping and why so many people love passing on their old paperbacks.
Mark asks how far would you go to stay youthful.