In work, placing an Excel spreadsheet in front of me is a pretty sure-fire way of sending me to sleep or making me drift away to my happy place, but give me a page full of power, GPS or heart rate data, and I'll pour over it for hours...
But, until last year at least, there was one element of controlling Type-A behavior that I was missing, and it's one that I think a lot of triathletes overlook: the need to test and benchmark.