What does a 43-year-old single mom have in common with teenager? As it turns out, no matter how old we are, we get nervous about first dates. Meetcha, an online dating site for the 40- and-older singles crowd, recently found that 57 percent of its members felt nervous--including the appearance of dreaded sweaty palms--when anticipating a first date [source: Spira]. sweaty palms are normal. Except when they're not, but we'll get to that in a minute.