I was a three-sport athlete in high school and a D-1 athlete in college. I've been in great shape, fitness-wise, but I've never been a "thin" guy. It's just not on me. I am not naturally thin. It's not an excuse, just a reason to work harder.
I envy the guy who can do morning workouts. That's the next leg in my journey, I think--if only because getting it out of the way first thing is ALWAYS an amazing feeling. I just hate mornings!
And qualifying for Boston!? That's no joke. Congrats, man.
And yes, TWO EIGHTY !@#$ING TWO...my PCP told me this year during my annual physical that I was basically the poster boy for thyroid symptoms, and that he teaches his classes as much. Seriously, look at the loooooooooooooooong list of things that might indicate you have a thyroid problem (cold all the time, irritability, gravelly voice, loss of hair, constant (and I do mean constant) fatigue) I had them ALL.