No. You're wrong. An affair partner is never a symptom of Mlc. It is the RESULT of MLC. He felt that he wanted someone else because you didn't fulfill his needs in some way or feels he needs to explore a new R in order to grow.
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.