What's the difference between women at the age of 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 to 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 hearing her story.