It's very hard to not walk and keep walking with her plate of... food as she's beckoned by the General. Lapis has no desire to sit with him, and even less desire to eat, but human bodies need to constantly ingest food for energy, and she's no better than anyone else at the moment.

Which means when he speaks up about how he hopes she's been finding everything to her satisfaction, she levels a Look at him, one that hopefully comes across as unhappy, unfriendly and unsatisfied as one could possibly be.

"No. I haven't."

She's not sitting next to him unless he demands it.