There’s a reason sports teams have cheerleaders rooting for them – the athletes are doing tough work on the field and could use all the support they can get! The crowd plays a huge role in giving encouragement as well.
It’s not so different when you’re changing your lifestyle and eating habits.
Many people “fall off the wagon” with their healthy eating habits because they don’t have anyone supporting them through the change. People can sometimes have trouble holding themselves accountable, but find it easy to stick to their healthy habits when someone is checking in on them.