Brightness
How much light you bring to what you're looking at. Controls whether you see the hopeful side or the dark side of a situation.
Travis Barker and the Decision to Stay a Drummer
Brightness controls whether someone sees the hopeful or dark side of a situation. Before talking to Noel, Travis Barker was looking squarely at the dark side — no money, no progress, a practical job offer staring him in the face. After the conversation, he shifted toward seeing the hopeful side — the possibility that his talent was real, that the regret of not trying would be worse than the risk of trying.