Until one day when Picard is passing by the Bajor system for a visiting lecture, the wormhole opens, and the godlike voice of the Sisko proclaims "He's like one of those advert robots. You have to hit Q, or he won't go away." and closes back upThat's right, for all we know Q has been showing up at the vineyard in the last 14 years on regular basis. You know to enjoy the wine, and chit chat about the previous adventures:
"Remember Jean-Luc when I flinged you 7,000 light years onto a path of a Borg ship?"
"Yes I do, Q"
"Fun times, fun times..."