Why did Peter cut off the ear of Malchus, one of the people trying to arrest Jesus?

Why did Peter cut off the ear of Malchus, one of the people trying to arrest Jesus? Why did Jesus then heal Malchus’s ear?

Guilt Found in a Right Ear

Why would he do that?

Did Jesus Heal the Severed Ear of Malchus?, by Tony Berard, The Globally Responsible Atheist

Come Follow Me Daily - Let's take a look at Malchus. A servant to the high priest at the temple. There at Christ's arrest. Ear smote off by Peter. Then healed by

How did Peter manage to get his sword which he used to cut a Roman soldiers ear? Were Jesus and his disciples armed anticipating the arrest of Jesus? - Quora

The Barnyard Gang Learn About Jesus' Arrest and Trial - Book 4 - Baker Creations

Malchus, Historica Wiki

Daube on Malchus' Ear

The Meaning of Malchus

Why Did Jesus Tell His Disciples to Buy Swords?

A Trivial Devotion: Malchus: Beloved Enemy