 Tomorrow Night Delegates here from Vice Presidential nominee J.D. Vance. This is ABC News. Better life with Dr. Sanjay Gupta. Sometimes it's okay to quit. It might be hard, but sometimes it might also be what's best. Adam Phillips is the author of a new book called On Giving Up. He's a practicing psychoanalyst defined by the American Psychological Association as someone who helps people understand themselves and make better choices in life. If there's something you are struggling with,