"I've been watching what I eat. When I was putting on all the weight, I was drinking Guinness and not eating. I didn't have room to because I was drinking all the time"

Robbie Williams is talking about his experience with weight gain and how he has been attempting to lose it. He describes that he was consuming a great deal of Guinness and not consuming, which caused him to put on weight. He implies that he was drinking a lot that he didn't have room to eat. This suggests that he was consuming to excess and not looking after his health. He is now attempting to watch what he consumes in order to lose the weight he has acquired. This quote reveals that Robbie Williams knows the value of a healthy way of life and is taking actions to enhance his health.