Kreyu bends over to fetch the amphora from where it was strewn on the floor. She might be making SURE he gets the chance to watch her do it. (She hasn't forgotten his reaction to her bending over to get that burn treatment in the trunk!)

Perhaps her desire to heal him is at work on his body when they have sex or when she is curled up with him in sleep?

She comes back over to him with the amphora and some rags.