Its a nervous system thing.

It makes her feel safe.

Maybe they had a strict parent or guardian.

Jump in and help her, not because anything is actually dirty or cluttered but because evidently its a priority for her and the quicker y'all finish the quicker y'all can enjoy the rest of the night🫡

Sometimes we want our partner to take a load off and relax but they won't and that should be ok without us trying to fix it.

Extra points if you're playful and curious about it while addressing it instead of "baby please sit down and eat, that can wait"