How Can We Know Ourselves Better?

I saw this post on Facebook some time back and it is still lingering in my mind. Coming from someone who is a huge advocate of self-awareness, exploring your likes/dislikes and all that jazz, I often take the view that we know ourselves the best. Yet, in times of fear and particularly the unknown, we tend to stray away from our greatest potential. This is why I believe there will be certain moments when people around us know us better than we do. Here is the Facebook post:

If you could pick my profession for me based on what you think I’m meant to do, what would it be? How about this? If you could pick my life based on how you think I would live it, what would it be? Oddly, I think the answer is exactly what most of us would want to do.