3. You cheated on him
Although it’s extremely difficult for both men and women to forgive their partner for cheating with someone else, sometimes we are so intoxicated in love at that moment that we do not want to let go of our love at any cost. But, the memory of her unfaithfulness will always remain at the back of his head, and from there, the suspicion arises and he starts to question whether your fidelity. And very soon he will fall out of love with you.