Yeah sure. You go ahead and do that. She isn't doing anything worth reprimanding to the point of it being frustrating, and if you actually impose any consequences on her, the young master is going to flip out.
I can't really fault Alejandro's mom for fooling around with another man when it's been made exceedingly clear that her marriage wasn't one, but it is kinda shitty of her to dump all work on her son to fool around in luxury all day. I sure hope he puts her on a budget or something.