Kaveh and Alhaitham bicker around almost everyday over small things. Usually because Alhaitham thinks that Kaveh's decorations look like trash, and because Alhaitham's books are everywhere. But that doesn't mean that they don't like eachother. If they wanted to, they could go along perfectly. They do care for eachother, but they don't really show that most of the time. It is rare, but sometimes they also help eachother with struggles.