If she wants to know how he acts with other kids then maybe mom should take him to a play group on one of the 2 days she has him... or to the library on the weekend. Join a tumble class on Saturday.

I would absolutly not allow this. However, you have to be careful how you tell her. An Outright NO could leave her to question her trust with you.

I would simply say... "hi behaviour will be completely different with you present as well as the other kids. As far as skype goes, I'm not set up on it and i'm not really interested in using online video chat programs. However, if you want to observe your son with other children, here are a few great play groups in the area. " And leave it at that.

We have to be careful how much we allow with clients. This client has obviously asked you for a lot and you've been nice and helpful each time... sometimes we have to say no. Just to keep control over our business even.