Knowing how it affects you, don't you think it would easier on your PMA to not snoop? You really are hurting yourself at this point. Besides, if she doesn't want you knowing (and if she did catch you) she will take it deeper underground.
You know she is not going to allow herself to be in a good mood around you, so why do you set yourself up for disappointment?
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!