tis the price you pay for services. think of it like pop corn. you buty a large pop corn. you can if you want eat the all pop corn. but you can leave some. but at the end of it you paid for the pop corn eaten or not. no refunds on half eaten pop corn. if the cinema was giving out pop corn at the start of the film it would be the same (the price would be hidden in the ticket price). *i had a conclusion to write hear but my mind went blank*