I had the perfect thing but for whatever reason.
It was an exercise in self destruction," he revealed (viaThe Mirror).
After the breakup, Towne moved to Paris, France, and started seeing someone new.

Helberg, realizing his mistake, traveled to France to win her back, which he ultimately did.
“It’s the story of my disastrous breakup with my now-wife,” he said.
Obviously, they were meant to be together in the end.

Sounds like she got the last laugh in the end.