A/N: In Jack Sparrow's voice, "Why is the fluff gone?" Sorry this one is bleaker: hopefully the next will make up for it.
She wasn't surprised at all. In fact, Pepper wasn't even all that angry—just resolved and so very tired. Tired of being lied to, tired of being forgotten, tired of being codependent, giving Tony every physical and emotional thing he needed, only to receive nothing in return. Sick of him, but mostly sick of the person he made her become. She was becoming weaker by the day, her autonomy mostly gone. She needed to be needed, and she couldn't stand it.
When Pepper walked in on her boyfriend's affair, she ignored the stammered excuses and left. She didn't look back.