I think, as you're growing up, your emotions are just as deep as they are when you're an adult. You're ability to feel lonely, longing, confused or angry are just as deep. We don't feel things more as we get older.
“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.”