Arslan realized that thinking over and over about the same event was useless. He couldn't change the past but he could modify the future. He found great motivation in her words and felt less the weight of Elma's responsibility. By being his younger sister and only left relative, he felt on him all the responsibility for her as she had no one else except him. He was glad to find out how grown up she was already. So, he didn't give much importance to her sudden change of behavior and thought of it as a new phase for her.
At the same time, he understood that he needed to act more like an older brother for her and be mentally stronger,
'If she has so much faith in me, I need to meet her expectations!' He thought as he freed his hands from Elma's ones and slapped his own cheeks with both hands.
She was caught in a bit of a shock by his sudden reaction and got worried for his face,