Maybe there was something in the air from the beginning. Seeing Mauricio Pochettino and Leonardo, Paris Saint-Germain's manager and sporting director, smiling and joking together as the team arrived at the Parc des Princes before their 2-0 Champions League win over with Manchester City; witnessing how relaxed midfielder Marco Verratti was before facing one of the strongest teams in the world having been out for a month; looking at Lionel Messi's determined face in the dressing room next to Leandro Paredes after missing the last two matches, things felt different.