Would you tell a friend if you thought they were fat? #bbcnolan

Is honesty the best policy? Now - would you tell a friend you thought they were fat? TV presenter and weight loss expert Steve Miller has been criticised for suggesting a 'Warn A Friend They're Fat Day'. Would this simply be a shortcut to ending a friendship? Or, is straight speaking the most honest way to tackle difficult issues?

On the line...journalists Niamh Horan and Andrea McVeigh