She wants to go from the extreme of over-participating to the extreme of not participating at all. Somewhere in the middle is a healthy balance that she isn’t considering.
As humans, we have the ability to understand and improve on our failings. First you have to understand that in fact you allow yourself to reach a state of excess and then understand why.
If you aren’t able to approach the true issue then you will just repeat the same cycle the next time something social shows potential for excess consumption.