People come and go in life, it will not be different no?

Why live and suffer to make people smile. Why sacrifice your happiness to make people happy?

That's what she had thought all her life so why now would it be different?

 
Because Seulgi likes her.

Was her mother right? To love someone is to be selfish?

It's wanting to keep her even when you dont deserve it? Or is it to love her so much that we prefer to let her live a quiet life without being a burden for her?