Quiet people always know more than they seem. Although very normal, their inner world is by default fronted mysterious and therefore assumed weird. Never underestimate the social awareness and sense of reality in a quiet person; they are some of the most observant, absorbent persons of all.
Because there are hundreds of different ways to say one thing, I, being a writer, songwriter, and poet, speak childishly and incoherently. In speech there is so much to decide in so little time.