Keep your head in the screen of your laptop and they'll walk by without bothering you.
Even though she was no longer in the US, Natalie firmly believed that this was how ordinary people behaved in a library. It was universal and typical to ignore the person in charge if that person looked busy enough.
Yes, let's pretend to be ordinary.
Natalie was just an ordinary child who wasn't very bothered by not having a mother around since her father had already filled the void in her heart. The accident that ruthlessly and unjustly plucked her father out of her reach was when she was robbed of her ordinary little life.
If only I had died that day instead of you, Dad.