It can sometimes be hard to find the motivation to exercise
Teacher Dennis Russell (57) understands how easy it is to slide into an unhealthy lifestyle and being overweight.
The Co Down dad-of-two says: "I know what I should be doing but when it comes down to it and I'm choosing between a health bar and a Kit Kat, it's the Kit Kat that wins.
"I think a lot of eating, for myself and a lot of people I know, is comfort or convenience eating -- grabbing a bar of chocolate on the drive home from work because you're tired or eating a bun in the staff room because they're there.
"Weight definitely goes on a lot easier than it comes off.
"I joined a gym about a year ago and I couldn't believe how much effort it took to burn off a small number of calories.
"I wish I could go every day but I don't have the time and ultimately when it's cold and wet outside and you're tired already, it's hard to get the motivation to get back in the car and drive to the gym instead of sitting in front of the TV with a cup of tea and a biscuit."