Mohamed Salah scuttled to the tunnel, his right hand rubbing repeatedly on his head as if he was trying to physically clear his mind.
Liverpool had the course of this Champions League quarter-final firmly under control, so much so that Jurgen Klopp appeared to take on the pose of a contended school teacher for much of the opening 45 minutes, as he stood with his arms behind his back and nodded in appreciation.
Here was a Liverpool team in slick working order, with Thiago Alcantara hitting fades from midfield that would not be out of place at Augusta over the next few days, Luis Diaz going around bends as if he was on Skalectric track and Ibrahima Konate showing again what a good signing he has been.