As I observed myself it looks like I never stop on planning to buy new things that I dont have yet.
You need to be satisfied for what you have not all you want you need to buy. Maybe help yourself make a decision for a good things so that you can be contented on what you have. And don't waste your money for the things that you don't need.
Just be happy. Don't stress yourself in asking for the things you can't have by now. Wait for the right time until you have it. There is a right time for you to have it. Be satisfied in what you have and what you are right now.