My worst fear is he's going to talk to Doran who's going to tell him some shit like
SO MY TWITTER JUST BLEW UP WITH ALL THESE TERRIBLE THINGS GOING ON RIGHT NOW IN KING'S LANDING, ALL DUE TO YOUR FUCKING SISTER Then Jaime's going to come to the conclusion that Cersei was manipulating all of them while Bronn lays there dying, giving him a guilt trip about how he should have known. His daughter saying she is happy there with the prince or some shit and Doran being like

Meanwhile we're all left where wondering how the fuck Doran and Jaime are getting this info in real time.
Prob the same way LF blasts around the world on his jet