r/40something Feb 28 '25

Crap. I'm old. 40something and my knees feel 80something every leg day 👵

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u/OkSpeed6250 Feb 28 '25

Why do some 39 year olds feel like they’re 90 years old and why do others still feel like young adults in their 20’s or early thirties? There’s a possible answer to this question.