Peter knows who Jesus is.
Matthew 16:16 KJV
And Simon Peter answered and said, Thou art the Christ, the Son of the living God.
Now Peter is bewildered, not knowing what to do.
John 21:3 KJV
Simon Peter saith unto them, I go a fishing. They say unto him, We also go with thee. They went forth, and entered into a ship immediately; and that night they caught nothing.
Jesus is providing their need, without any effort.
John 21:9 KJV
As soon then as they were come to land, they saw a fire of coals there, and fish laid thereon, and bread.
John 21:14 KJV
This is now the third time that Jesus shewed himself to his disciples, after that he was risen from the dead.
I can imagine Jesus disciples being very perplexed. At their wits end you could say. But Jesus, gently guiding them to “feed my sheep”
Matthew 6:31 KJV
Therefore take no thought, saying, What shall we eat? or, What shall we drink? or, Wherewithal shall we be clothed?
John 21:15 KJV
So when they had dined, Jesus saith to Simon Peter, Simon, son of Jonas, lovest thou me more than these? He saith unto him, Yea, Lord; thou knowest that I love thee. He saith unto him, Feed my lambs.
John 21:16-17 KJV
He saith to him again the second time, Simon, son of Jonas, lovest thou me? He saith unto him, Yea, Lord; thou knowest that I love thee. He saith unto him, Feed my sheep.
The Lord Jesus takes Peter to breaking point again, (what love the Lord has for us and for His flock) “Peter was grieved”
[17] He saith unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; thou knowest that I love thee. Jesus saith unto him, Feed my sheep.
John 6:63 KJV
It is the spirit that quickeneth; the flesh profiteth nothing: the words that I speak unto you, they are spirit, and they are life.
Hebrews 10:25 KJV
Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching.