Normal People Walk Around Trash – Kevin Wendell Crumb is NOT Normal

In this scene from the movie Split a psych therapist by the name of Dr. Karen Fletcher describes one (of many) of her patients Kevin Wendell Crumb (or was it Dennis? Or Patricia?) as definitely not normal for walking right through a pile of trash on the street after departing her apartment building for an emergency session:

What is the “act” the doctor is referring to? You’ll just have to watch the film to find out. (Spoiler: the movie is OK.)