Opposites

Mark is a cold, analytical man. He suppresses his feelings, basing his opinions on logic, and using it to dictate his action. He is calm, and collected. He is aware of patterns, and his spatial awareness is top notch, much like his IQ.
Jack is emotional. He is creative, and aware of feelings and people. He enjoys playing and having fun. He tends to act a little crazy. His emotions dictate his actions, although he sometimes is a little all over the place.
Read to find out what happens next!
PS: The Cover Art isn't mine, I found it on Google so please don't sue me DX
Once I draw something that doesn't look awful, I'll change, but for now we'll just keep this. Anyway, enjoy! :D