When the summoning of the Memory Demon reveals that it's not only Clary's memories that have been meddled with, Alec finds himself being pushed off the path set out for him and onto a different one.

Raphael sat on the living room chair, the cup of tea Magnus had practically forced on him balanced on his knee, while Magnus himself was slouched on the sofa, laughing. "You," he wheezed in between hysterical fits of giggles, "are going to propose? To Simon?" Raphael pursed his lips, praying for strength from anyone.