They are enjoying it differently and reacting differently to things so it is fun to see.
Adem likes Virtue like woah and it amuses me.
Adem: This Gundam is awesome.
Me: *Patting him.* And it gets even more awesome.
Adem: I don't see how it could!
(Later in the episode.)
Adem: Yeah, you're right. It's even more awesome!