In my headcanon, they meet again.
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For me, Dustin and Suzie cross paths again in the late 90s at CERN. By that time, both have finished college and are most likely in postgraduate programs. The 90s were a huge boom for software development at CERN, paving the way for more complex experiments and the analysis of massive amounts of data, so Suzie is exactly the kind of software engineer you would find there, intelligent and able to work in environments that were still being built.
On the other hand, Dustin might have become kinda obsessed with what he read in Brenner’s diary, but in a healthy way. He would be part of the generation of physicists working on the design of experiments that would be tested years later, when the LHC was finally ready in the late 2000s.
So in my mind, one day they are walking through the massive tunnels when they suddenly recognize a familiar face. They stop, look at each other, and realize who it is. Later, they get drunk, catching up on everything they did during those years, end up singing “The NeverEnding Story” again, and even find a stray dog they decide to name Dart.