He knew himself too much. That's why he told himself before this meeting that he would only focus on getting Astrid's forgiveness. He hadn't thought there would be none to seek. He didn't even have to plead. Astrid just very easily told him that he liked him.
And now, the other was telling him that he could call Emmy. He lowered his gaze, biting his lower lip. He wanted to say 'no need', but he couldn't. How could he, when deep down all he wanted was to hear his sister's voice again?
Astrid was giving him that opportunity now.