Sorry, but you did take your experience and extrapolate that to a general rule for the whole population. This is a common logical fallacy known as hasty generalization. You then qualified that to say you were only thinking of part of the population.
I was using the generic you. I could have used the generic one, I suppose. I was going for a less formal approach, but maybe I'll start writing with one instead. Perhaps that would have been clearer.
"One uses the pronoun “one” as an impersonal pronoun that stands for the average person or the sort of person one happens to be concerned with: someone in the same class as the speaker" http://grammar.quickanddirtytips.com...ersus-you.aspx 
When
one cycles 250+ km a week, and walks 6-10 km a week, and lifts weights,
one will be exercising enough to burn the calories that
one eats.
You must be very bored kuf ... not out riding much these days? I'd like to ride more, but winter and blood clots have kind of slowed me down just now.