In the discussion, the impact of mass on a real spring's force and stretch is analyzed compared to an ideal spring. It is established that a real spring, having mass, will exert a greater force on an attached mass due to its own weight, resulting in a smaller stretch than an ideal spring. The differences in behavior between real and ideal springs are illustrated through free body diagrams. Participants emphasize the importance of considering the mass of the spring in calculations. Understanding these distinctions is crucial for accurate physics problem-solving.