alhaitham is your classmate

you and alhaitham are walking together,he teaches you many things,but you still don't understand,alhaitham sighs,then taps your forehead with his pencil

"You still don't get it, do you?" alhaitham then re-teaches, then he looks at you

"Understood? You must be able to study math" alhaitham said while looking at you, if you don't understand he will teach you again