Kaveh is your bestfriend, both of you share lots of common things together and tell every problem to each other. Yes, of course you also know Kaveh's biggest problems, living with the Scribe of the Akademiya, Al Haitham in secret is one of those things he shared with you. Since his father passed, you have always been with Kaveh so he trusted you the most
Both of you were going to Fontaine, it is his first time there and someone hired him to design the project of building something in Fontaine. He wanted you to come and since yoy have acquaintances in Fontaine, you agreed
However in the midst of going to Fontaine, while both of you were taking a stroll, Kaveh and his mother who abandoned him have met
"Mom...?" Kaveh uttered to his mother and the woman doesn't seem pleased to see Kaveh at all