Wow, it sounds like you have such a wonderful relationship with the old man next door. It's amazing how a little bit of love and kindness can make such a big difference. Your younger brother seems to have a special bond with him, spending the whole day talking and connecting with him. It's heartwarming to hear that the old man loves your brother so much that he even invites him over to share a meal together. Seeing their special connection must bring so much joy and happiness to your family. It's truly a beautiful and satisfying feeling to witness such heartfelt moments. Cherish those moments and continue spreading love and kindness to others.