A covenant is a promise in a written contract or a deed of real property.
Adrenaline increases your heart rate, elevates your blood pressure and boosts energy supplies. Cortisol, the primary stress hormone, increases sugars (glucose) in the bloodstream, enhances your brain's use of glucose and increases the availability of substances that repair tissues. Cortisol also curbs functions that would be nonessential or detrimental in a fight-or-flight situation.
For those without diabetes, the stress-induced blood sugar rise is followed by an increase in insulin secretion, so the blood sugar rise is modest and temporary. For those of us with diabetes, however, stress can cause a significant and prolonged increase in the blood sugar level.