What is the difference between the ages of girls: 8, 18, 28,38, 48 and 58?

08 - You take her to bed and tell her a story.

18 - You tell her a story and take her to bed.

28 - You don't need to tell her any story and take her to bed.

38 - She tells you a story and takes you to bed.

48 - You tell her a story to avoid going to bed.

58 - You stay in bed all day to avoid her story.