[Perhaps struck by a rare moment of generosity, Sesshoumaru steps in to destroy the second of the two bots. Once the threat has passed, he glances at Yuuki.]
Perhaps you should reserve more care for yourself.
[It's a neutral observation. She can do what he likes, as far as he's concerned ... or so he tells himself. Ever since Rin entered his life, he has found it more and more difficult to maintain his distance from others.]