To set the tone for what is coming, we must return to December 2 and remind ourselves of the circumstances.
Liverpool were second in the Premier League, five points behind Manchester City, and had been beaten by Paris Saint-Germain four days earlier. This team, to use one of Jurgen Klopp's phrases, was not flying.
Everton, by contrast, had lost only one of their previous seven and were confident they could win at Anfield for the first time since September 1999 - but in the sixth minute of added time, Virgil van Dijk sliced a volley high, Jordan Pickford lost the ball's flight and Divock Origi stooped to conquer.
Jurgen Klopp got carried away when Liverpool last faced Everton and sprinted onto the pitch
Anfield has witnessed many big goals under Klopp but none have generated such frenzy, with the German fined for racing on to the pitch to celebrate.
'I didn't see a big, big difference in the teams when I managed my first derby,' said Everton manager Marco Silva. 'What I felt was a special match for both teams. They celebrated that lucky goal, lucky moment they had in the last seconds of the match like it was a final of a World Cup. I didn't see a big difference.'
There has been a difference since then, however. The victory was the catalyst for a run of eight wins and Liverpool are now in control of the title race. Everton, meanwhile, fell off a cliff to such an extent that Silva's position has come under pressure.
'Can a goal change a season? I am not sure,' said Klopp. 'But changing the moment? For sure. It changed the mood, the confidence, of course. It was a very important goal. 100 per cent. That day and the games afterwards, it was unbelievable what the boys did. It created all our situations, really.'
A Beauty of football, though, is that it provides those who