Alec blinks and smiles faintly, feeling the same sort of gratification he'd felt when Jace had told him Magnus was disappointed Jace wasn't Alec.

He can also feel his cheeks turning pink and doesn't want to think about that.

Instead he thinks about the shirt, about wearing Magnus's shirt, which is...quite tight on him. Magnus is slimmer than he is, and he already wears his shirts tighter than Alec would.

It's shorter as well, though Magnus is taller, and doesn't quite overlap with the waistband of his jeans, meaning if he moves at all, there will be a strip of skin showing between them. The same strip of skin that had so fascinated him on Magnus.

Oh, this is the same shirt.

Oh.