Taking a woman to bed

*What is the  difference between girls/woman aged: *

*8, 18, 28, 38, 48, 58. 68, and 78 ?   *

*
At 8 -- You  take her to bed and tell her a story.*                                               ** *
At 18 -- You  tell her a story and take her to bed. *
At 28 -- You  don't need to tell her a story to take her to bed.*
At 38 -- She  tells you a story and takes you to bed. *
At 48 -- She  tells you a story to avoid going to bed.*
At 58 -- You  stay in bed to avoid her story. *
At 68 -- If  you take her to bed, that'll be a story! *
At 78 -- What  story??? What bed??? Who the hell are you???*