He had to choke back his sobs and sang while crying because he was overwhelmed by his gratitude toward the audience and his fans who supported him throughout the month. During that scene in which he had to kiss the female lead's forehead, his lips were shaking uncontrollably.
After the curtain call, the audience below the stage gave them the biggest, loudest cheers and applause, and he burst into tears, covering his eyes with his hands. He didn't forget to bow to everyone.
If you have watched videos from dates before the last day, you know that his emotions were never as intense.
He's always enduring everything silently, alone.
Although he doesn't have a tall, built body and muscles, he is undoubtedly a real MAN."]