What's the difference between women at ages of 8, 18, 28, 38 and 48???

What's the difference between women at ages of 8, 18, 28, 38 and 48??? 




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