"Don't feel too bad about being ruffled by it; my own husband has issues hugging me," Kaku said with a good-natured laugh.

It was only because of his ability to be unbothered by What Had To Be Done that he could simply hug strangers without feeling awkward. It was just business, after all.

So, he strode up calmly and gave Lal a quick, but sufficient, hug.