I thought you were my friend, an old best friend. I thought that I could trust you, because I used to be able to. I used to confide my every secret in you, but now I try to avoid your eye contact.
Betrayal is a critical feeling that causes more pain than it does enjoyment. It causes the heart to ache with a strange familiarity. It fills the heart with this pounding rage, this rage, it takes ahold of the mind at the same damn time. It makes you think that this person is deceitful and you soon learn to loathe them.   
I would scream at you, but my voice is small. I cannot learn to make it any bigger. I tried taking my time with my words, I tried to taste them before I spit them out. I even tried to just be silent and let it all go, but that did not work. The silence made it worse, it made me irritable.
I would just avoid you, but what good? I resent you with all of my heart, leaving no room for the other feelings. Resentment has taken a place in my life, and I do not know how to change that. I know I did try to let it go, but like I have said, it hasn't worked.
If there is a possibility that I could punch you, I would. I would take my time, wrap my hand, make sure it was unexpected. I would leave the mark on your face, one that showed my true feelings, not the smile that I just show. I would show you how it truly hurt even though you could never imagine the pain that it caused me. Your outside would hurt, but your insides remain in tact, not hurting anymore.