>>58350672The issue is that your actions and words may not actually matter because, you know, the main thing is the crazy part.
So she can fear that you will cheat on her so much she'll effectively convince herself you've already done it.
Are you spending too little time on your phone? That's unusual behavior, you must be cheating on her.
Are you spending too much time on your phone? You must be messaging someone else, you must be cheating on her.
Are you spending just the right amount of time on your phone? That's fine - until next week, when she thinks back, revises her idea of the 'right amount of time' and convinces herself that it was actually one of the above.