I´m not sure if that was meant as funny, but I´m getting really angry just by reading it - like the mother is so nice, that she would want to wash the kid´s clothes and the kid is making fun of her. Not mentioning the unlogical writing of sms´s instead of making a call after few tries or just normally call the child by her voice (I assume that the mother and the child was in the same house, because she told them to come there and it would be impossible, if the child was outside with friends or at school)
Or maybe you do just tucked away in your grumpy pants (^.^)