Which character uses humor to respond after vomiting?

In "GATTACA," the character who uses humor in response to vomiting is Lamar. This moment showcases Lamar's ability to cope with stressful or uncomfortable situations through humor, highlighting a common human response to embarrassment or distress. By utilizing humor, he is able to diffuse tension and bring levity to the moment, which reflects his personality and provides insight into how he interacts with others in the narrative. This distinguishes him from the other characters, who may respond more seriously or dramatically to similar situations. The use of humor is a critical aspect of character development, illustrating how individuals handle challenging circumstances in distinct ways.