He follows her gestures to view the somewhat sad state of affairs that is the attempted weeding, actually choosing to move a step or two closer in order to bend down and pick up the offensive plants.

"If you leave them here then they might just regrow in that location; it'll still look bad for the area. I'll take care of it." After all, he'd come here for similar reasons. "I can keep an eye on these graves in the future if it's time-consuming for you. At least in terms of the weeding."

Sasuke might be an asshole most of the time but certainly not when it comes to this.