Your like a sister to him. You and Jack are alike, both angel hybrids, though you are a little different. See not only are you a different hybrid, but your personalities are like the same but opposite at the same time. Your both really just kids feel down, curious, oblivious, innocent, pure, but outside, you tend to lean more to the knowing side than Jack. Jack is curious and doesn't know a lot about the world and even though you both are about the same age, you seen to know more about the world and how to live then he does. You would do anything for Jack and the same way around. You protect him, comfort him, everything. You two are like two peas in a pod, brother and sister, nothing can separate you and you like it that way. He's a few months old but he's in the body of a 18 year old because he's Jack Kline (This is Jack Kline from show supernatural)