“I came this close to packing up and moving out to Hollywood to pursue an acting career.”

You wanted to be an actress when you were younger. Now, it's many years later. You're telling your niece the story of why you stopped acting. In part of the story, you say:
I came this close to packing up and moving out to Hollywood to pursue an acting career.
career (topic),
gerund,
moving,
regret,
storytelling,
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