There are two general ways of making a decision: Either you do or you don’t. If you consider it in a generic way like that, it doesn’t look that bad anymore, right? It comes from the fact, that we simplified the problem with just a slightly different view of the problem. You should know, that you can implement the exact same procedure in a lot of other ways to evaluate in small steps whats more important to yourself.
If you feel overwhelmed of a problem, just break it down.