The context of the following conversation is After Kai assaulted Kendall with murderous intent, Kendall ended Kai life.:
Kendall says Looks like I am going to spend the rest of my life in prison..
The friend responds This is all too much for me.  I still can't believe you killed Kai..
Kendall responds It was self defence.  Kai tried to kill me so I killed him first..
The friend responds I don't think that you will spend the rest of your life in jail since it was self defence.  So don't worry..
Kendall responds But I took a man's life.  I feel so bad.  My life is over..
The friend responds I will be here with you throughout the trial Kendall, I will be here for you.  I will be a character witness for you..