Answer:
He recalls a war, a battlefield, with soldiers maimed and dying for Jonas. Jonas is a young guy in the memory who offers another severely injured soldier water and then remains with him until he dies. Jonas is hurting, and the pain he's in is unbearable.
1. The worst thing about being poor, (according to Junior's opinion), is that his family doesn't have enough money to take his dog, Oscar, to the vet.
"He’s really sick, Mom,” I said. “He’s going to die if we don’t take him to the doctor.”
She looked hard at me. And her eyes weren’t dark anymore, so I knew that she was going to tell me the truth. And trust me, there are times when the last thing you want to hear is the truth. “Junior, sweetheart,” Mom said. “I’m sorry, but we don’t have any money for Oscar.”
2.
3. Junior got very angry at his Dad, because his Mom and Dad made a decision without him, even though it included HIS beloved pet, Oscar.
"Then Dad came home from wherever and had one of those long talks with Mom, and they decided something without me. And then Dad pulled down his rifle and bullets from the closet."
You should add it all, just in fragments. For example (this is not relevant in any way, but:)
red capes, keep sun off skin.
Just keep it short and sweet, as long as you understand it who cares.
