At the end of Fifty Shades of Grey Ana had to make a decision to stay or leave Christian. She left him but that was not the end of their relationship. They were apart for a week and Ana was so depressed, barely ate, just slept. Christian was just as miserable. Christian and Ana had planned on going to a photo gallery show together before they broke up. So Christian decides to call Ana and ask if she still wanted to go with him and they did. Once they saw each other they couldn't keep their hands of each other.