My blood is white, and I can now convert calories instantly into energy and boost any natural ability until I run out of calories. For example I can use calorie energy to give myself super strength, but the stronger I become and the longer I use my super strength the more calories I burn. People call me the lard-ass because the more calories I have stored up in fat, the more powerful I become, so I am usually super fat; unless I just used up all my calories to heal to heal a stubbed toe, or ace a test.
I am also a neutral lawful character, I help people but I don't make a life style out of it. So if I see somebody getting mugged, Ill help; but I don't go out of my way to do good deeds.