For you, I'll try.

Thanos knows he's been a lousy boyfriend. Distant, stubborn, always quick to defend himself - until the night Namgyu finally calls him out. Now, for the first time, Thanos listens. Really listens. And he realizes he might lose the one person he actually cares about. So he does what he should've done from the start: he shows up, makes changes, and gives Namgyu the kind of love he deserves - soft, intentional, and all-in.
Because sorry isn't enough. But maybe actions will be.