Well, in that case, I'd spend a little time and make it less reactionary. Don't lash out - find apathy. You don't want him controlling your emotions, you just want to do what's best for you. Don't let him control you - recognize him as someone beneath you who doesn't deserve your time. As others have said, the opposite of love isn't anger, it's indifference.
IMO. lodo
I was hoping you'd respond. I even asked you specifically in a place that shall remain nameless.
How would you word it, so that it shows indifference ?
SC - I love the stories, they are great when from yourself as we all think we are to far gone, but your stories may ring bells. Put em in, they may even help you. But it's your choice obv.
I'm sorry your father is back in touch, you gotta do what you gotta do and I would discuss the letter (if you decide that approach) with both your H and your C. We here can suggest what to put, but I don't honestly think we can know what is anywhere near close to appropriate.