Question

when the narrator ask the boys about your plans, they are evasive .Why don't they disclose their problems ?

Answer 1

The two boys Nicola and Jacopo were too dignified to disturb a stranger with their personal matters. They did not want anyone to intrude into their privacy. So, they kept their problems a secret....
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. another ans...is..
They did not disclose their problems to the narrator because they considered that the problems were their own and they were dealing with them in their own way. Their brotherly love, maturity and the belief in between them were so strong that they didn't want anyone's consent or any sort of interference in their personal matters...
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...Hope this helps...u lovly frnd...