In the previous chapter, we read that Robin opened the door a little late for Robert so he started asking about it then Robin lied let's start the chapter with their conversation:
Robin: If you say so and we have a new brother too
Robert: You are right
Then they went to sleep after a long quiet. In the morning Mrs. Henry went to Robert's room to wake him up but she didn't find him there, she panicked and ran to Mr. Henry and told him the news, he said:
Mr. Henry: Don't panic babe! Check other rooms he must be here somewhere
Mrs. Henry: How can I not panic? What has been normal in our house? Since we adopted that 'genius' kid. I think he must have run away, I told you not to adopt a kid with mental issues
Mr. Henry: He does not have mental issues he has just lost his memory. Dont think negatively, and calm down, let's find him
Mrs. Henry nodded reluctantly. They went to every room in the house and then they went to Robin's room where they found him, Mrs. Henry said: