Ask him again. Don't accuse him of anything, but tell him that you've been struggling with what he did in the past and you don't trust him. And that as a show of good faith, you need to know that he's being honest with you and that trust is earned not given. And as his W you have a right to be comforted.
Have the two of you gone to MC after he came back?
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.