What are Poseidon's quirks and flaws?

Poseidon, the Greek god of the sea, is known for his temperamental nature, often exhibiting quick anger and vengefulness, particularly when his domain is threatened. His pride can lead to hubris, causing conflicts with both gods and mortals. Additionally, while he is a protector of sailors, his unpredictable temperament can also bring storms and shipwrecks, highlighting his duality as both a benevolent and destructive force.