I know this may be silly but meh! We're all getting older here, even you young ones! In saying that, I've never had the notion that I am old. After all, I play video games among other things and (you could ask my wife) I'm probably still considered immature (I'm going to keep it that way too).
However, in the last 6 months my eyesight has been on the decline. A couple days ago I got some reading glasses so that I can see words close to my face. Over the last 6 months I've been noticing (but yet still in denial) that I've been straining to read words close up. It was to the point that I started carrying around a small magnifying glass in my front pant pocket. My wife, who is oozing common sense, went and got me 2 pairs of reading glasses that I now wear (and sometimes both at once). I'm glad I got the glasses but it has made me reflect on the fact that I am now officially getting old. An economist that I work for told me 3 years ago that the eyes will go first and that he used to be 20/20 but now he needs prescribed glasses (he's 65).
Anyhow, I'm just some middle-aged guy that's starting to notice the affects of aging. I guess my question is, what happened to you that made you realize you are not a youngbuck no more? As stated, my eyes have been that turning point for me, how about you?