According to Dr. Guyuron, "the presence of stress could be one of the common denominators in those twins who appeared older." Antidepressant use was associated with a significantly older appearance. Researchers said it may be that depression itself increased facial aging, or it’s possible that use of antidepressant drugs relaxed facial muscles in a way that increased the appearance of aging.
(Age 64. Twin on right suffers from depression, and appears older)
In other words, if the misery of your divorce doesn't age you, your attempt to treat it with Prozac might.