笑自己的曾经太执拗
[xiào zì jĭ de céng jīng tài zhí ào]
'Laugh at My Former Stubbornness' is reflected here. The user might want to show that they have matured or become more understanding in time. They may realize how inflexible or unyielding they were in some past experiences and look back now with a smile, showing their own personal growth.