"I'm really, really scared of driving. I used to stand on the side of the road in Los Angeles with my thumb up (hitchiking) - two people mistook me for a prostitute... I feel like not everyone is supposed to be a mother and not everyone is supposed to drive. I know from the bottom of my soul that if I were to have a licence, I would hurt somebody." Girls star Lena Dunham is convinced she will never learn to drive.