You can see some of the disciples looking over and wondering (or guessing) at what's going on between Jesus and peter.
The emotion show in Peter's face. This is not easy for him.
But Jesus isn't going to leave Peter only half healed. even though it's painful (for both of them), Jesus asks a third time: "Do you love me?"
Peter is hurt. Not by Jesus. by the pain of his own memory. "Lord, you know everything; you know that I love you."
When it's over, you talk with Peter about the whole thing.
- Little White Book, Diocese of Saginaw