Magnus/Alec. Before Alec could form an answer however, the warlock closed the distance between them in a slow, deliberate movement. The line of his body was pressed to Alec’s back suddenly, barely any part of them left where they aren’t touching. The nephilim held his breath, felt himself still entirely against Magnus in anticipation.
Magnus/Alec. When Magnus told him "In nine or ten years, come find me and then we'll talk," he probably hadn't meant "Nearly get yourself killed by a Greater Demon so I have to heal you again." Alec was better at this when he was nine.
Jace/Alec. Nothing is written in stone, and nothing gold can stay. Nothing is impossible, and nothing never changes. Broken hearts are not so easily mended, and boundaries are not so easily crossed. At least until you've had a few.