Good Morning Britain presenter has recently returned to the popular ITV breakfast show after a two month summer holiday - and he admits some over-indulgence while off led to him gaining half a stone.After a summer of posh cheese and wine, Morgan says wife Celia Walden has set him up with a personal trainer and encouraged a healthier diet.Speaking to he tells how name calling from celeb pals such as GMB co-presenter Susanna Reid has helped him make the decision.He said: “Susanna calls me