Do you ever watch movies and TV shows and laugh at the seemingly severe underreactions that characters have in the face of danger? Some of those understated responses may be more realistic than you realize.
This gamer was livestreaming Star Wars: Battlefront when he heard the sounds of gunfire. He scarcely reacts (his only reaction is to laugh), and continues playing the game. After a few moments, he decides to announce the fact to his gamers and then goes out and investigate, taking a knife with him.