I don't need anyone to take care of me. [It's resigned rather than snapped. Damian has never needed someone to take care of him. Even if sometimes, it had been...acceptable when Grayson did anyway. But it was never a necessity.]

Grayson, I am content. [It's a half lie and he does his best to sell it.]

I have both allies and friends here. I don't need him. [His Batman was here, albeit in a different way. His father was...extraneous.]