The opponent

that stands back is usually
posturing and does not want "to become physical.
Below are some of the physical traits that might give the
attacker's intent away. Running concurrently with attack
ritual
will be signs of adrenal reaction this attack body language
which, if spotted, can help you to recognise potential
menace. It has to be said though, that many of the very
experienced attackers may have learned to hide adrenal
reaction and only an expert eye will see imminent attack.