When you are truly in "Piecing" it's not snooping. He should voluntarily let you see his phone records, daily planner, etc. whenever you ask for it and do whatever it takes to help to heal YOU.
If he gets defensive about it, you aren't in Piecing because he's still thinking about himself. He has to say "What can I do to make things right between us."
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.