[Dewie]

He just said that he intends to include more movement in his daily routine [0]... nowhere did he say that it was exercise, or sport, or a physical feat.

Seriously. Why do all of you born-again iron men have to come out of the wood-works as soon as people start sharing (not even bragging) their incremental efforts (you said it yourself: persistence) to lead healthier lives? We get it: you are better than them when it comes to fitness (well, the grandparent could be a former Olympian, for all we know. Or he might be an amateur sportsman who also has a sedentary job). Please stop one-upping people that are just getting off their feet when it comes to this.

[0] The importance of which seems to be distinct from exercising regularly, at least if you don't have time to exercise for hours on end each day:

http://www.theguardian.com/lifeandstyle/2012/oct/21/is-sitti...