Your only meant to give a wee handful of them treats not a full bag,and the price of them got and she buys bags upon bags,she would be better getting a big box of dry cat food.
She buys all the treats for the cats same way she buys all the se for the kids, to make them like her.
She buys people/cats attention and mistakes it for affection. As she doesnt get any proper attention/affection she doesnt recognise how fake it all is