Answer
In "the River-Merchant's Wife: A Letter", "The Garden", "A Few Don'ts by an Imagiste" the following question can be answered: the line "Like a skein of loose silk" describes-
Maturity is when you start to see things for what it is in life. It is when you gain wisdom and someone who is mature is someone who doesn’t “cry over spilt milk.” It occurs when someone endures so much in life and they now are mature enough for physiological gain.
He will survive because he has a few helpful survival skills beforehand. He also shows throughout the book that he will not giveup and is willing to accommodate to his living circumstances in order to survive. Also he very quickly learns survival skills to survive so we know he is smart and quick with learning skills in order to survive his situation.