How does the boy sense his ‘first responsibility’ in a world of possessions?

Please answer the following question in about 40 words .
My question is from the book ' First Flight' and from the chapter ' The Ball Poem' .

Dear Student,

The boy loses his ball and gets upset. This was his first lesson in sensing first responsibility. He has the experience of losing something and learning how to cope up with the loss. He understands the nature of loss or what it means to lose something. He now becomes  more responsible and vigilant to avoid losing something in future.

Regards