My eldest grandma is getting married?

Talulah Keller, who had just returned home, heard Aunt Shen say that Diarmaid Irwin was back, and immediately ran to Yu Bihan's door in a hurry, wanting to see Diarmaid Irwin.
Who knew that as soon as she arrived at the door of Yu Bihan's bedroom, Talulah Keller heard Yu Bihan say these words.
Talulah Keller suddenly felt sad and angry. Not only was Diarmaid Irwin unfaithful, he even took advantage of Yu Bihan's mental disability to take advantage of her.
This beast
Talulah Keller...