My friend betrayed me, why do i feel like im the one who have to say sorry?

Seriously, my whole life wtf is that sh\*\*. He litteraly betrayed me, lied and backstabbed me, and because he is a piece of sh, he dont care that he did it and wants to act like its all good between us, so in my messed up brain i almost feel like i have to be the one to make peace wtf.