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

  8- 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 her story.