Poseidon being quiet meant Triton took vacations. He spend time with Mel, and called his mother to see if she needed anything. It had been during one of these luls he'd shown Odysseus to go home.
Now he had less duties, which meant getting to spend most of his time doing nothing. He rather liked it.
When he heard the knock he frowned, but got up. He could feel one of his siblings behind the door but was more surprised to see Kymopoleia. He hadn't heard hide nor hair from her.
Quickly he let her in, "is everything alright? Do you need anything?" He'd heard what she'd done and been rather proud of her. Their father had earned that.