Because I was.
Most Helpful Guy
She has to use it sparingly, otherwise it's annoying and misleading. I know girls that go full toddler mode, completely unprovoked. Maybe it's annoying because I'm not the direct recipient, but that pitch is irritating from afar.
In the right context, it can show vulnerability, sure. Then I come to the rescue.1
Most Helpful Girl
Men respond better to lower tone soft voices0