In the future, if you have a problem with a task like this consider turning it down. You don't have to be everything to everyone. For now, take a deep breath and consider what you're doing. You're being self centered right now. The task you're taking on is helping your friend. Perhaps, instead of focusing on how much you dislike the task, you should focus on the fact that you are being of service to someone. Give your heart over to the spirit of the task, not the task itself. Are you missing out on doing something important because of this or are you just pissed that you are being inconvienced? Get out of your head and get into the spirit of being of service to a friend. I wonder if she would regret asking for your help if you snap at her. It's not her fault that you are discontent. It's yours.