"'Just be yourself' when dating" Perhaps off topic (at least vaguely relevant to these boomerangs), but what's wrong with this "truth in advertising" advice?

"'Just be yourself' when dating" Perhaps off topic (at least vaguely relevant to these boomerangs), but what's wrong with this "truth in advertising" advice? I say this from a position of ignorance, that's what I did (sans explicit parental advice, but I suppose it was implicit), and it worked for me.