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.
I underestimated the power of 'Diego.'
The glamour of being forbidden must not be underestimated.
I have to admit, I underestimated Billie Jean and overestimated myself.
The power of visibility can never be underestimated.