I was thinking more along the lines of they lose all memory of what happened while they were mucking about in the other timeline. Although I suppose yours resolves the situation quite handily.

[ Honestly, Flynn, what's eating you? ]

But if you'd rather not tell me, then I suppose I just have to live with that. Of course, I am rather curious why you won't just come out and say it. If that means I have to beware of rogue jet engines, then so be it.

[ And she's persuasive enough when she wants to be. Flynn being cagey is something she doesn't very much like. ]