John 21:1-3. “After these things Jesus showed Himself again to the disciples at the Sea of Tiberias, and in this way He showed Himself: Simon Peter, Thomas called the Twin, Nathanael of Cana in Galilee, the sons of Zebedee, and two others of His disciples were together.
John 21:1-3 NKJV
John 21:1 says, “After these things – meaning many things happened before Jesus showed Himself again to the disciples.”
2. He saw how the other disciples flee when Jesus was being scourged – He was discouraged, frustrated and totally drained that he even denied his Lord.