Jack decided he'd better get out of here while he still could.
Jack decided to move on rather than press the point, perhaps come back to it later.
Jack decided to ask the question that had been on his mind for nearly a year.
But that was an issue Jack had decided on long before.
After sixteen years Jack decided it was time to own up.
Jack thought about saying he was sorry again but decided against it.
However, she and Jack eventually decide to begin their relationship again.
Sooner or later he'd have to work in this place, Jack had decided a few minutes earlier.
On second thought Jack decided it wasn't what he was here for.
Jack decided he didn't want this woman's company for even a second.