Consider the issue of consistency: If you have diabetes, you need to eat about the same amount every day, and at about the same times. You shouldn't skip meals, or go more than four or five hours without eating during the day.our Healthy Eating Plan. As with any medical condition, people with type 2 diabetes should check with their doctors before starting any diet or exercise program. It's also a good idea to work with a registered dietitian and/or diabetes educator to come up with an eating plan that suits your needs.