[She steps back when he sits up, not wanting to make a fool of herself and falling onto her backside. There are better ways to do it, difference in rank or no.]

Not yet.

[It's not a threat, but a statement of fact as she turns her back on him, back to the bucket and mop, ringing out excess water.]

It's already clear how familiar you are with me, so there is no need for such declarations. Don't waste your breath. Or mine.