This happens to me all the time. I LOVE people who use their minds, have open minds, and are life-long learners. Why are so many people boring? Because they decided to stop learning. I don't hang out with those people.
So True.doubt gets in the way of evening pursuing a dreamy times.and even for those that start it will crush a dream in the middle of the pursuit when things get tough. Whatever your dream pursue it and push through it.