"Baby brother, perhaps, but look who still came when I called," Zeus replied, outright smirking now. He knew it rankled Poseidon that the youngest son held the highest position, and he was in the mood to poke every sore spot his brother had. Gods knew there were a lot of them.
"Ah, the key word there is 'yet', I believe," he said. "Because we all know you like to throw fits to get attention. Do things that overstep your bounds." He leaned forward, elbows on knees. "This is your only warning, brother. I am not going to tolerate it. Challenge me again, provoke my wrath again, and you'll find yourself back on the boat to Hades. Do you understand me?"