People who suffer from nervousness get nervous over small things, and because of which they start sweating. Their heartbeat also starts beating faster and this condition is anxiety disorder.
In this condition the mood of the person changes frequently. In this way, getting lost in the mood is also a kind of depression which increases with time. In this type of depression, the person does not feel like anything.
In this condition the person falls into some kind of addiction which he does not know to give up and he needs that thing in any condition. Like beedi, cigarette, gutka etc., a person needs this thing in any condition after getting addicted to them.
In this condition the person starts having inappropriate thoughts as well as he starts feeling afraid. And he repeats the same thing over and over again.
In this condition people consider themselves to be right in everything. They always find their feelings and behavior right.