You begin to feel guilty because you are sometimes rude to your roommate. a little voice keeps telling you that you should always be polite and should never hurt another person's feelings. according to freud, this little voice most likely comes from your

This little voice most likely comes from your superego, according to Freud.
Superego is our moral and ethical compass - it tells us what is right, and what we should or should not do. In the case above, your little voice told you that you need to behave better when it comes to your interactions with your roommate, which stems from the social norms you were taught while you were growing up, which is part of your superego which aims at perfection. 

He was probably very upset and disapointed and mad. all at once. so he probably wanted to show his disapointment, angryness, and depression. he didn't think of the affects due to the minor issue thst he has gone through. sorry if it doesn't . but i am trynna people.