In some respects you have to feel sorry for brian clough as he constantly teeters ok the knife edge between success and disaster. Even when derby win the title he is still plagued with doubt and happy to self destruct friendships and good working relationships.
Underneath there is amazing self belief but with a blindness to his drink problem and an unwillingness to accept the true importance of his sidekick peter taylor he is doomed to make mistakes.
One of the biggest as the history if his loathing for Leeds emerges is to happily burn his bridges to settle his own scores. Words and views that come back to haunt him later on.