I Have Relocated And Watching My Daughters Baby Now For

I have relocated and watching my daughters baby now for 10 months 10 hours a day and tired but adore baby. My daughter questions me as to her feelings and activities also sleep habits morning and night. She will say if you cannot handle it or do as I say I will get someone else. I know that baby soo much. What is wrong with my daughter. Does she have someone else or is she stressed