All people have ways of dealing with their issues.
I've come to find I feel as though I personify different parts of my personality with different characters, its the best way to describe how I categorize where to store my feeling within myself, and what parts of me I allow people to see.

Here is II.
He is the part of me that manifests pain, hurt and all things I've wanted to do to myself, but never did. He bears the weight of my self hate, and my sadness. He is in the lower numbers, because I want him to stay protected from the world.

Generally, as time goes on, the higher the number, the more readily expressed that part of me is.