I appreciate the photo. It's not the ideal photo because your arm covers up where your anatomical waist should be. The photo is primarily to determine the Trunk Index which is calculated by dividing the area of the throracic trunk by the area of the abdominal trunk. Also, I need to know where the torso ends at the bottom (crotch or if it is a dorsal photo the sub-gluteal folds (or bottom edge of the butt).
Anyhow you appear to be a :
This would place you in INFJ territory but toward INFP so you are probably an INFJ with some INFP characteristics mixed in.
Now it is possible you may be a little bit different maybe a half degree endo either way or half a degree more mesomorphic. What is interesting is that you got up to 160 by the time you were 20 and then you actually lost weight as you got older. Did you eat a lot of carbs (chips, bread, junk) when you were a kid? You are certainly keeping your endomorphy in check.