It's a very big mental game, all day leading up to warm-ups. You're not sure if your curveball will break, or will you be able to throw it over the plate? It's all negative thoughts going into the game.
I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.
With brothers you become friends. Some you hang out with more than others. You talk to one about the other a little more. You get mad at them. Then, you love them. Then, you apologize. You have to apologize whether you want to or not. You have to. That's your brother.