[Diarmuid takes the bag, steadying it on the table so that it doesn't fall over. His expression falls a little when he realizes the other boy is going to leave, but at the same time, he understands how tiring and stressful being a new arrival can be.]

Okay, I hope you are able to settle in smoothly. If you ever want to ask me a question or need help, I am in Building 3, Room 2-05.

[He waves at Robin.]

It was nice meeting you! I hope to see you again soon!

[Lir playfully blows a bubble in Robin's direction.]

And Lir says the same!