Hence, what did Anthony mean when he called Mathias 'Grandpa'?

Seeing their faces, Anthony subtly scoffed, finding their reactions funny. Eventually, he let out a faint smile.

“Well, he's the one who asked me to call him that. He said that since I am his granddaughter's fiance, sooner or later, we will also become a family."

There was no trace of bluffing in Anthony's tone. Therefore, it must be real.

Maria's identity was acknowledged by Mathias Smith? Vivian found this very unacceptable. She felt dizzy and wanted to shout out loud.