Post-traumatic shock can take various forms, from unwanted flashbacks to irritability and helplessness.
Not since 1954 had Wales won the championship after losing their opening game.
England have been warned to concentrate on beating Italy before they even start to contemplate a potential grand slam date with Wales next week.
England believe defence will shape their Six Nations grand slam bid as the championship leaders prepare for their final two games against Italy and Wales.
Eddie Jones has poured scorn on suggestions from Toulon’s owner, Mourad Boudjellal, that Steffon Armitage has been promised an immediate route back into the England squad this year, insisting the flanker will have to move back across the Channel before he is considered for international duty and denying having spoken to anyone at the French club.
It is nine years since an English club lifted Europe’s premier club trophy but Saracens can sense their time approaching.
English rugby has over the years developed a reputation for a Roundhead attitude, but it is the round ball that is inspiring Eddie Jones as the national team’s head coach looks to build on this year’s grand slam success and oversee a fundamental change in playing style.