Kahn got up on his feet, trying to get away from these things that were pretending to be his family. For reasons unknown, he could not think straight and with a rational mindset. His state was completely different from his usual calm and confident demeanor.
In his previous life as Elric, his family had a huge impact on his personality. Not because they were always there for him and uplifted him when he was down in spirit; but because they were simply there but never actually with him.
The constant feeling of not being enough and not being special originated because of them in the first place. Normally, people would do their best to raise their children to be a better person and someone who should strive for better things and higher goals in their lives.
