Gemma did not like me when she was a baby. Her lip would quiver when I looked at her, and she would start crying as soon as I picked her up. It took a lot of effort on my part to get her to bond with me.
Eventually we bonded, and now I am one of her favorite people to play with!
The reason she loves playing with me boils down to two elements that are important to her: she makes up all the rules, and she always wins.