If you wish to know Peter’s view, read Luke’s gospel. Luke was not a first hand witness to Christ’s teachings and practices, he listened to Peter.
All of the 'elected' writers fit together to tell us as best in what we can comprehend the Plan of the Heavenly Father. Christ said in Mark 13 before one WORD of the so called New Testament was ever penned ... verse 23
"But take ye heed: behold, I have foretold you all things,"
Then Christ quotes Isaiah 13:10.