Your pain, she has hurt you again
You endure the pain, as you always have, and try not to hurt her
You have so much anger and frustration inside, you are going to explode if nothing happens, and you just let the anger sit and accumulate
Your pain and anger is so intense the next time she hurts you, you write a letter, explaining how you feel, then leave
She comes home from work to find you gone; she finds the letter on the bed
She reads it, and cries