Aelise keeps Harley in her room, and allows visits - mostly Corona, sometimes Tima - but doesn't let him run around being obnoxious to anyone. Chelsa avoids him. Corona is home, after all, and he's just as warm and isn't horrible to her. And now she can invite more friends in. There's that girl she rotated out to make room for Tima, still alive, in Wales - there's that pleasantly sparky boy she met on her trip to Egypt - Chelsa is able to content herself with the situation.
When he meets resistance in the form of Harley cuddled up to him, his eyes snap open, and he abandons the pillow in favor of its owner.
"Harley."
"Harley, Harley, my Harley - what happened - where did you go, are you all right, you disappeared right out of my arms - how long has it been -"
"It's been like a year," he says, "a month or something for me, I went to another world, I dunno how I did it, I tried again and couldn't, and then I guess I managed it but I ended up in Milliways - lots of awful shit happened but I'm fine now, I love you - I love you," and he dissolves into incoherent sobbing.
"Harley."
Zeus doesn't stop hugging him, but he's now much more confused about why he's doing it. "My Harley," he murmurs.
"Can you tell me how to help you?" murmurs Zeus, tucking his face in where Harley's neck and shoulder meet. "I'll do anything to help you."
[Mama would like to speak to you at your earliest convenience,] says Elspeth to Harley.
"Yeah," says Zeus hoarsely, and he arranges himself to be carrying Harley, close and snuggly-like. "I'll go wherever you go if you want me."
Elspeth pops into Harley's room, and then brings them all to the Safesun throne room.