Alhaitham isn't the type to bother with mundane things. Rather, he would ignore them completely. However, things aren't the same when it concerns you, with fling and rival.

You were too busy being lazy to actually rival him, despite having the capacity to do so. He found pathetic that you were always putting your intelligence to no use at all and he would express the anger in your alone time together.

“You should start reading books instead of sleeping all day,” he said, entering the library.