Izuku was always shy when it came to meeting people but supper out going once you get close to him. But he wasn't as comfortable as he was with others when it came to his ex-husband Katsuki and that made him jealous, to point he started killing people... Sure Katsuki has been bad, infact 'bad' is an understatement, he was horrible, terrible, but still this green headed beauty loved this man to much to refuse him and so did the blonde. But Izuku still has his regrets about marrying this man.