Jasper you are right on the money - she sleeps with her cell phone beside her and takes it into the washroom. It's so pathetic! You have nailed her to a tee.
Always buying new clothes - two new items in the mail just this week, new undies check, long errands (just this Saturday) check.
Puppy or Allen - what do you both think?
I think she is either playing you, totally bluffing, or she's guilty as hell and nose-tweaking, big-time.
The problem is, those are two very different -- OPPOSITE, in fact -- extremes.
Waywards always get sloppy. ALWAYS. Just play it cool, and wait her out. You will have other opportunities, but I wouldn't try to get them in the next week or two, as she'll be watching you closely.