It would have ended there, and everything would have stayed the same in the end.That's why he decided to stop hiding, and threw himself into the war.I could have exposed them sooner.The distorted one was me.I just wanted the owner of such a distorted tendency be sent to a concentration camp. ....But, when she actually died... I finally noticed......So, the doctor wanted to kill himself because he regretted that he couldn't protect the woman he loved.