"What' and "if" are two words as non-threatening as words can be. But put them together side-by-side and they have the power to haunt you for the rest of your life. What if? What if? What if? Letters to juliet!
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.