et without a cause did not he sup one drop; for if he happened to be vexed, angry, displeased, or sorry, if he did fret, if he did weep, if he did cry
it seems as if the character cannot locate his feeling for as to why he may be experiencing the mental suffering he is detailing in this excerpt. It can also be noticed how emotionally sensitive the character is, when the smallest of disturbances will cause grand commotion internally. All of the different emotions he feels such as vexed, displeased, or even weeping show the true nature of deep and complex the emotions of humans can truly be. With the severity of sensitivity one possesses to experience such a wide variety of emotions internally is what seems to be the presenting idea here.