Answer:
"They were so happy," Justin remembers. "It was like they couldn't believe it. It made me feel good just to see them happy."
Step-by-step explanation:
The detail that shows that Justin Lebo is caring is the detail from when he was filled with happiness and satisfaction after giving out bikes and noting their joy and happiness at his gesture.
Justin was a young ten year old boy who had a soft heart for the less privileged. He loved riding bikes, he was compassionate about the boys that lived in Kilbarchan and decided to help them by making donations of bikes to them. His gesture to them was greatly appreciated and it gave him encouragement to do more.