A while ago I was on a car trip with Greg, Keith and Jeff. Greg had his computer with him and we were playing some 3D shooter. After a few minutes I didn't feel so hot, but Greg encouraged me, "Keep going, you'll be okay in a minute." A few minutes later I told him I really needed to stop. "Here, take one of these," Greg offered as he fished out some motion sickness pill. Curiously though he had been poking me in the side for the past few miles too. "Uh, okay,"...