Self Control

I know that there is no way I could stop myself from going into debt if I ever had a credit card. I wish I could. I know it sounds silly. Just have some self control right? But there are so many things I would love to buy that would cost a lot of money that I would swear I couldn't live without and I would just worry about paying later. I know a friend who paid for a European vacation with credit cards and didn't have a job!