Matt, you and I are the same, down to the teeth. Blood brothers, perhaps. Reading your experiences regarding your peers and what others say about you, it's like reading my own words. I just turned 38 recently. On 22nd of July (Hi Gordo ). My brother is 27 and we look about the same age, but certainly no more than 3-5 years apart. I had a BMI of about 18 for most of my life and I was always the smallest.
Having no wrinkles I also did a quick research on skin aging, because I recently ran into one of my classmates from high school and his facial skin must have looked ~20 years older than mine. I guess he is on the opposite extreme of the spectrum. Info sites like this one: http://www.womens-health-advice.com/skin-care-questions/aging-first-signs.html
... which also suggest I should be in late twenties or ~30, since I noticed my skin getting a bit dry on the forehead only in the last 2 years or so. I do avoid sunlight exposure more than my brother, but then again he exercises a lot more.
Now visiting this forum the last couple of months I came to the conclusion that CR probably does not work, so I don't know what to think now.
After all the research, is anecdotal evidence really all we are left with to cling our hopes on?