Wallace is annoyed to see his feelings exposed by his younger brother. Was he that obvious?

"Stop, Uélton, for Christ's sake!" Wallace pleads, "Why does everything have to be taken as a joke?"

"Life is too boring to be taken seriously, brother!" Uélton stops laughing. "We are going to dinner, and you apologize to Josias."

Wallace is alarmed and reacts like a cornered animal. "Wow, what do you mean? Apologize to Josias? He's the one who has to apologize; not me! How about Melissa?"

"Stop that idea, brother, I put my hand on the fire and I swear that Josias was not cheating on Melissa, especially with Pamela! It's something...