28. Perfect age to stop. Old enough to have learned from your past hardships & young enough to still live life freely.

" my imagination is at its pique. "
Usually people make the opposite mistake, using 'peek' or 'peak' when they really mean 'pique.'
Re-read what you wrote, you'll see what I mean.
.... TxMike ....
Sometimes I think we're alone in the universe, and sometimes not.

25 for me too. My brain and body were in perfect condition. Now I'm more cynical and flabby. Though, I do have to say that my imagination is at its pique. I don't know that I'm any wiser for the years.

30. Old enough to no longer care what people think. Still young enough to do adventurous things.

Maybe a year or 2 from now, 21 or 22
.
ma ink

I'd opt for 35. Pretty much peak of mental and physical condition, old enough to know how the world works and the best use of my time.
.... TxMike ....
Sometimes I think we're alone in the universe, and sometimes not.