Last week, I came home from work to discover that Sexy Nerd had a serious case of I-need-a-treadmill-right-now-or-I'll-go-crazy-itis. Nevermind that he never wants to take a walk with me. The idea had been planted in his mind and there was no getting around it. He'd chosen an inexpensive treadmill from Sears and was pacing the house, waiting for me to come home so we could go retrieve it. I did a little research first. The treadmill he'd chosen? According to online reviews, it was a 100% piece of junk. Sexy Nerd didn't care. He said the treadmill he'd really like is a NordicTrack, but that I'd never let him buy one because they're too expensive. Well, I found him a super deal on a top of the line NordicTrack, marked all the way down from $2000 to $250. (And don't try to blame the slim budget on me, Sexy Nerd. You think it's nuts to spend $2000 on a treadmill too, punk!) Despite the bargain, Sexy Nerd wanted nothing to do with the treadmill. I...