Why are the quiet fire signs so dangerous?

-i was sitting in school next to an quiet aries and everything on his mind is wicked alot of insanity he showed me his progress report and its full of F'S im starting to worry hes gonna crush me ..you know because im a capricorn and my mind is focus on buisness and money and this aries is gonna ruin my opportunitys what should i doLol how do you know whats on his mind?

But hey I noticed most fire signs (including myself) tend to be silent fires, especially when we're pissed off. But you cant only look at his sun sign. Look into his moon and rising.
sexy and deep...fascinating...
cuz they don't wanna b messed with
u need psychiatric help
they are always thinking of a plan anyways