What should i change on my credit card?

I download this sex world thing then i payed for it for three months and lots of people sad they will automaticly take my money from my credit card before the subcribtion is ending i want to kn ow if i change my credit card number or something else what i given to them the mbs bill cant take anymore money from my credit coz if something on my credit card is going to be wrong so theu cant take my money from my credit card? are they ? plz help give me an answers plz!!!!!!!!!!!!!!!! one more thing people sad i need to delete my email coz i given to then my email so i need to delete it plz does anyone knows how to delete it? plz help
Answer
If you cant cancel the subscription, then you can cancel your card and get another one.they wont be able to take the money out if they are using the old card details