Don't add honey to his water. Again, you only give honey, Nutrical, pancake syrup, etc. to raise his blood sugar quickly if he is having a hypoglycemic episode. What he needs is frequent small meals with high protein and complex carbohydrates to stabilize his blood sugars.
Do you know the warning signs of hypoglycemia?
Dog Hypoglycemia (Low Blood Sugar): Symptoms, Treatment, and Prevention