Talk about the seven-year itch, for Arsenal fans it has been seven years of longing since they last played in the Champions League group stage.
Patience has been a virtue. Take the acrimony leading to the departure of Arsene Wenger, or the struggles under Unai Emery.
Yet now they are fourth favourites to win Europe’s biggest competition — according to some bookmakers — with a feel-good sense around these parts.
For Gabriel Jesus, who has scored 20 goals in 38 Champions League appearances, just the theme music being played by team-mates in the gym on Monday evoked memories of bunking off from school to watch Europe’s finest.