Sex is

       SEX IS A....
     


         "Duty", if done  with your Wife
     
           
         "Art", if done with your Lover
     
     
         "Education", if done  with a Virgin
     
         
         "Business Transaction", if done with a  Prostitute
           
     
         "Social Work", if done with a Divorcee
     
           
         "Charity", if done with a Widow
     
           
         "Sacrifice", if done with your own  Hand.