Do it on purpose, and you'll find out who you are. Asking for a guarantee before you start isn't helpful. Instead, we need to look at a concept [or] idea and be willing to try it out with intent because if we do, if we try it on for size, we will figure out if it fits us—as opposed to the opposite, which is spending a lot of time figuring out who we are, and then going and finding the things that fit us.