Me, too. (At least this article shows that there's hope for the next generation!)
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I am not 61 yet, and I'm a lady, but what I find with the guys in their sixties is that while their strength and reflexes are not what they once were, they're mean adversaries anyway. Part of this is because the adversaries tend to underestimate them and dismiss them as old, slow, and weak, which is a mistake. Second, they have usually learned a lot of tricks over the years. They are often tough customers. I wouldn't necessarily bet on a 25-year-old over a 61-year-old.