Because I enjoy it. That's the only justification I need. I like getting stronger, I like chatting to the other regulars between sets, I liked the measurable progress and setting targets aspect.
Also this, it's scary how our lifestyles have adapted now to hardly ever using our bodies properly also cool sig pic....bit scary though
Yup, especially now in the holidays I go there pretty much every day. Just got back now actually, the feeling of sore muscles after a nice shower beats concentrating on losing 1 pound on the scale.