"always scanning the surroundings", and "has the silky voice of a sociopath (and) the resigned stance of a long-distance runner" and projected an unflappable determination that confounded his fellow prisoners, as, being close to abruzzi or t-bag or bellick, he could not afford to be vulnerable or even appear human. later, following the escape, michael, now off with his brother, around whom michael was willing to show a side of himself that he was not with the others; something that is lighter and more colorful. michael often is outwardly taciturn and stoic, rarely allowing the dangerous element he's frequently surrounded by to penetrate his thoughts.