A study in the Journal Nature Genetics showed some people are genetically predisposed to age more rapidly than others. Age-associated diseases are more related to biological rather than chronological age.
Who is happier and psychologically stronger - people who got married and then got unmarried, or people who stayed single? The answer, in just about every study I've ever reviewed, is people who have stayed single.
Most people don't know how poorly they feel until they feel better. In fact, most of us don't recognize that fatigue, digestive problems, aches and pains, allergies, headaches, and more aren't just annoying symptoms.