'I'm an etiquette expert – making this posture mistake at dinner makes you look greedy'
!['I'm an etiquette expert – making this posture mistake at dinner makes you look greedy'](https://i2-prod.mirror.co.uk/incoming/article33115681.ece/ALTERNATES/s615/4_Mid-Adult-Couple-Arguing-At-The-Restaurant.jpg)
Do you make this typical manners mistake? British etiquette coach William Hanson claims one dinner table habit will make you look terribly 'greedy' if you keep it up