Because a year and a half ago, he wasn't even sure if this was even possible.
With Luo Yan being in a coma for seven years, there were times when Luo Wei Tian thought that his son would not open his eyes ever again. The sadness was too overwhelming. Especially during the first few years. Since he was also dealing with the loss of his wife.
He remembered nights spent by the side of his son's hospital bed, holding his hand and praying for a miracle. There were moments when despair crept in, and he almost gave up hope. The guilt of even considering giving up weighed heavily on him, haunting his thoughts.