My grandaughter (9) has been staying with me since Saturday, she stays often as my youngest daughter is the same age so they are very close and so far she has been a dream to have around! My own daughter is at her grandparents just now.
Every morning she makes her bed (and mine) and puts her dirty clothes in the wash basket.
Each day she has tided up, washed dishes, (even though I have had to do some of them again) made me coffee (except put the water in the cup, I dont let her do that bit) helped with the cooking and ate everything I have made her.
Not once has she complained about anything or forgot her manners.
She has offered to do the ironing (I said no) dusted, hoovered, folded clothes and generally will just do her own thing as well as watch dvd's, read and play the Wii (beating me 
)
She will tell to sit down, have a rest and read for a while.
I'm actually enjoying being a bit spolied by her 
She is due to go home tomorrow, but come back again next week. So would I be really unreasonable to ask my daughter to leave her here another few days, so I can be spolied a bit longer before my daughter is back and then it will be back to Mum she said......Nanny she done......etc 