The context of the following conversation is Alex called Quinn his father although Quinn was not Alex's biological father, but had adopted him.:
Alex says Dad, can you take me fishing?.
The friend responds Yes Alex. Why do you keep calling me dad? You know I am not your real father..
Alex responds You are the closest thing to a father I have ever had. I am very grateful for you..
The friend responds That is too kind of you Alex, thank you..
Alex responds Of course, dad..