subjective and relative notion … trained observer can tell whether a given action is spontaneous or compulsive
what is important to one person is of little consequence to another, and comparisons with other people’s behaviour are of little help in solving personal problems. More often than not, trying to imitate other people’s behaviour only complicates the use and makes finding the right solution for the individual even more difficult
actions are performed in their normal setting without any special bias for doing them … repeat them without any strong feelings, or completely refrain from enacting them; rarely involve hesitation … constitute the bulk of activity of normal adults