Games : How does Seduction mechanism work in Crusader Kings:2 (Way of Life DLC)? Why nobody seduces me?

Hi so I just downloaded WoL DLC of Crusader Kings 2. I started playing as a female character with attractive trait. Nobody seduced me even though all my neighbours had seduction focus. Then I tried starting again with Ironman mode on and then seduction events started occuring. It has happened everytime. I think you don't receive seduction events from AI if you're playing non-iron man mode. But that can't be right. Can someone explain how does seduction mechanism work? How does AI select their target?