Yes it's very common to go through what you are. Now that all of your effort towards getting him back is done, your attention is now back to what he did. If you are having a hard time, go and see an IC.
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.