Arsene Wenger must make his mind up over his future sooner rather than later
Dan, the chap who makes the cappuccinos at my local cafe, is devoted to Arsenal. He can talk about his club until the cows and the sheep and the goats have all come home.
His fury rises in particular when conversation turns to the subject of Arsene Wenger.
Then he gives it both barrels. Then you hear the loyalist side of the civil war consuming the Gunners.
Then you discover the fervour of the supporters who want Wenger to remain at the club he has transformed so brilliantly in more than 20 years as the boss; the fervour of those who fear a meltdown if he departs.
They can be just as fierce in their certainty as the noisy, demonstrating, headline-making fans who are demanding the exit of the club's veteran French supremo.
A perfect illustration of the Arsenal imbroglio was painted in the sky during last weekend's defeat away to West Brom.
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One light aircraft flew over the ground trailing a banner saying 'Wenger Out' while another plane sported the message 'In Arsene We Trust'.
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The mood is increasingly volatile. Anger flows on both sides of the discord and at its heart stands one of the greatest football managers of all time – at any club in any land.
What happens now?
Well, don't expect me to join the orchestra sounding its concerto of dissent against Arsene Wenger. Don't expect me to argue that he should be booted out by Arsenal.
That would be wrong, plain and simple. That would be an outrage. Wenger is a giant figure of football. He is a man to respect, not just another manager on the merry-go-round to be casually humiliated.
Listen to these comments in a TV interview a few days ago.
Arsenal fans displaying protest banners calling for Arsene Wenger to leave the club
"For me, Arsenal is the best club in the world," said Wenger. "What we have built is absolutely remarkable, not only on the results front – but on the values this club has been built on.
"Of course a football club is about winning. It's also about values. Nobody talks about that any more – but it's about values as well.
"Integrity, respect, humility and togetherness are very important qualities, and if you would visit our club you would see that they really exist on a daily basis."
These are important words. They come from a man who is passionate about his club and has always been equally passionate about competing and winning the right way.
Wenger must show these values now. He must show respect – and he can do this not by winning football matches or trophies, or by creating a shiny new stadium.
He can do it by making his mind up.
He must prevaricate no longer about whether he will accept the offer of a new two-year contract made by Arsenal to continue as manager or whether to step aside at the end of the season.
Other Arsenal fans have supported Arsene Wenger and want him to stay
Making his mind up would be an act of integrity. It would be a statement of solidarity his football club urgently requires.
The current civil war among Arsenal supporters is deeply destructive; it is clearly a severe hindrance to the current players on the field as they prepare for an FA Cup semi-final and the final 11 matches of the Premier League season.
Last weekend Wenger made a teasing suggestion he already knows his future. That's not good enough. He should announce his decision loud and clear immediately.
He can then throw himself into the task of creating a new team and begin winning back the loyalty of the embittered section of his home crowd.
Or he can deal with the swirling emotions of a two-month farewell parade that will dismay many Arsenal supporters who trust his leadership – fans like Dan the cappuccino man.
Whichever path Arsene Wenger takes, he will delight some people and horrify others.
There is a third option, which is to keep everyone guessing, to keep his great football club in limbo. That is the bleak option. That is the worst choice for Arsenal FC.