Average adult eats 10 meals a week alone (out of 21) – 34 per cent can go a whole week without eating a meal with someone else  – More than two thirds (69 per cent) have never shared a meal with any of their neighbours – 25 per cent always eat alone at weekends – Only 35 per cent eat their evening meal with someone else   A new study reveals the lonely eating habits of the UK, finding that 34 per cent of us…