They started off feeling attracted to him, then when they acted ‘moody’ he saw it as a sign that he need to fill an emotional need in them. When they acted ‘moody’ with him he just walked away, he thought that if a woman doesn’t want to be with you, that was that.
He filled that need, becoming their emotional punchbag. They don’t know what they want, no point dealing with their unpredictable behaviour.
He knew what was good for them and was open and straight with her, even if it ‘hurt’ her.
They stayed together All three men had the same advantages in terms of looks, wealth and other ‘important’ issues, so what’s the difference in their behaviour, given that the women initially acted the same way each time?
He passes because he is strong and certain, she can trust him because he trusts himself.