His Best Kept Secret (джен)

"No!” It was Al’s turn to snap, just enough to get his brother to stay quiet for a second. “Enough beating around the bush. When are you going to stop worrying and tell him? What are you so afraid of?"
Ed frowns painfully while looking away. Trying to hide the hurting feeling in his stomach again. "I'm just… afraid he would reject me too."
Or, The Elric Brothers are harboring a secret, specifically Ed. Yes, he did join the military to help get their (mostly Al's) bodies back. And yes, that him joining wasn't the only reason. He had another. One that involves the reason to be the Colonel.