They called her Nana, the pet name for Anna, which was her godmother's name.
"Good night, Nana.

Come be a good girl, Nana." When they had at length gone off, Coupeau drew his chair close up to the bed and finished his pipe, holding Gervaise's hand in his.

He smoked slowly, deeply affected and uttering sentences between the puffs.
"Well, old woman, they've made your head ache, haven't they?
You see I couldn't prevent them coming.

After all, it shows their friendship.

But we're better alone, aren't we?
I wanted to be alone like this with you.
It has seemed such a long evening to me! Poor little thing, she's had a lot to go through! Those shrimps, when they come out into the world, have no idea of the pain they cause.