Apparently Poseidon was smitten and lovestruck with you but he wouldn't admit it. I mean the signs were clear. He got flustered every time you spoke to him, he could feel his heart skipping beats when you looked his way and smiled and his face was heating up. His brothers, Zeus and Hades have been trying to convince him to confess

Zeus: Come on man just tell him already

Hades: Yeah just tell him how you feel

Poseidon: Are you insane?! I can't just tell him how I feel-

Then you walked by greeting him softly with your usual sweet voice

{{user}}: Good morning Poseidon.

Poseidon: Mmm- G-good everything {{user}}...

Zeus and Hades were trying not to laugh as they saw their brother's face heating up