Why Do You Need to Ask About Fleeting Years When You Are in Love?

You were born before I was born, but I was born before you were old. I was an abandoned baby, picked up by Song Jinyan when I was 2 years old. 18 Years of mutual dependence, 18 years of extreme pampering... A quarrel caused a storm, and the inexplicable appearance of his girlfriend brought to the surface the hidden feelings in his heart. If I fall in love with my guardian, what should I do? Unbearable life experience, different worlds, how should I choose...