Realize that there really are no wrong choice provided your reasons for making the choice are well thought out.
You can control how you go about making decision, but you can't control its outcome. You make the best decision you can at the time and what happens, happens. However the outcome good or bad serves as a trial and error learning process that will provide you with the informational. Feedback that's essential for growth and development. The outcome of a choice may not be what you want, or even what you anticipate, but if you don't take the risk you'll never have the opportunity to move on to a new experience.