You Choose but You May Loose

People always say that you can do or choose what's best for you. Do you think that it always works that way? What if the thing you are willing so much just never comes to you? What if thing that actually you don't really want but it's just still okayt for you just comes by anytime? Will you take the chance? It's not what you want but it's still good for you. What would you do?