It is unusual to not miss your own children.
Shane hasn't seen his kids since they moved out after college when a friend asks how they are doing.
Shane wants to answer his friends question.
Shane explains how hard it is not to see them, but he keeps in touch with them frequently.
Shane tells his friend he has no idea how they are since he hasn't bothered to keep in touch.
Shane's love for his kids is made apparent.
Shane comes across as being cold hearted.