It's happened a couple of times in training when I hyper-extend my back. Some facet joints send all the muscles in my lower back and lumbar-spine into spasm.
Rugby gave me a confidence. I was quite shy and relatively timid, but it gave me the confidence to be a little bit more out-going and back myself a bit more.
I think my form dipped after the Six Nations in 2007, from the World Cup onwards.
As the summer moves on, there are Saturday nights when I come home and find friends I haven't even been out with sitting up in the hot tub.
Knowledge is knowing that a tomato is a fruit. Wisdom is knowing not to put it in a fruit salad.
The great thing about playing team sport is you win and lose together, and the pain is never as bad when you share it.