Because of his comment i had to go back and read the raws.. Spoiler......Apparantly Yugyn fought with Ian's mother from what I can understand from the pictures since I can't read korean Jigu
He really needed to cause that is the only way to show her that she doesn't need to keep holding onto the past obsessively and that it's okay to live normally.
OMG ITS FINALLY BACK i was getting worried i wouldnt get to see what was happening bc the raws r getting kinda wildd