Quote Originally Posted by CuriousSoul
Quote Originally Posted by Rocky

LOL, now I'm curious as to why you say not INFJ?
The types most likely to appear as secretive and externally calm and collected are in my experience ISTp and INTp. I am generally a bundle of nerves and it tends to show...
Good observation.

Anyway, he's not not INFJ- but a melacholied ISFP, Honus Wagner.

I realize that there is not much to go on, but for me, it would sound at least like some sort of irrational introvert (the quotes sound like something Carl Jung would write).

As for the "correct living habits", that could just be more Si, but maybe more specifically +. Honus Wagner was known to be stongly against ciggarettes, would play various sports in the off season to stay healthy, and was probably the first athlete of his time to lift weights.

Here is what he looked like: