>Now, I might know my husband well enough to tell when his scowl means he’s puzzling something out versus when I should head for the hills, but that’s because I

>Now, I might know my husband well enough to tell when his scowl means he’s puzzling something out versus when I should head for the hills, but that’s because I’ve had years of experience learning what his facial movements mean in different situations. People’s movements in general, however, are tremendously variable. Variable and yet really similar. There are general patterns and, as with all patterns, there are exceptions. Years of experience with one person are not useless with another. Not as useful but helpful nonetheless.