The Happy Prince Episode 3 - The Second Wish

The transcript describes a conversation between a swallow and the Happy Prince. The swallow is asked to stay another night to help a young man in an attic who is cold and hungry. The Happy Prince, who has sapphires for eyes, requests the swallow to take one of the sapphires to the young man. The swallow is initially hesitant but sees tears in the Happy Prince's eyes, indicating the Prince's compassion and desire to help others.

What does the swallow ultimately decide regarding the sapphires?

What does the swallow see that makes him feel for the Happy Prince?