Cast Away : What does he mean by this?

What does he mean by this?

At the end, in the note he leaves with the package, he says it saved his life.

I don't get how. Did I miss something?

Re: What does he mean by this?

It gave him a reason to stay alive, so that he could deliver the package. He was a very dedicated FedEx employee. :)


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Fowler's knots? Did you say ... fowler's knots?

Re: What does he mean by this?

It gave him purpose after he realised he could no longer be with his wife.

Re: What does he mean by this?

Gave him a task, something to hope for.
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