Aderyn closed her eyes, safe in her brother's arms. She could hear her blood rushing in her ears, but over all of it was the calm and even breathing Iestyn was timing out for her. She copied him and while it wasn't immediate, she was able to slow her breathing eventually.
She was still crying, but her panic attack seemed to have ebbed. "I'm so stupid," she whispered against his chest. "I'm so fucking stupid."