The significant and continuous tension between self-interest and ideals has been a constant, predominant strain in American foreign policy for over 200 years.
There are already signs of tension when it comes to the self-professed right of large member states to take the lead on issues such as negotiations with Iran over its nuclear ambitions.
But after a walk in a shopping centre, 50% said their feelings of tension increased and 44% said their self-esteem decreased after the walk in a shopping centre.
This tension between the prime minister's perception of his political self-interest and the determination of John Prescott to rein back the private motorist has never been resolved.
Anxiety is also dysfunctional if it is causing physical tension in the body, or if it is generated by a constant stream of self-criticism, which can be self-fulfilling.