"Not only do I sing to him, I sing entire conversations. You become Jerry Lewis"

Paul Reiser's quote is an amusing method of expressing the happiness he feels when he sings to his kid. He is saying that when he sings to his son, he seems like he is ending up being the well-known comic Jerry Lewis. This might be translated as a way of expressing the happiness and enthusiasm he feels when he is singing to his son. It might also be interpreted as a method of expressing the connection he feels with his kid when he sings to him. The quote could likewise be analyzed as a way of expressing the pleasure and enthusiasm he feels when he is able to reveal himself through singing. By comparing himself to Jerry Lewis, he is expressing the pleasure he feels when he is able to express himself through singing. Eventually, Paul Reiser's quote is an amusing way of revealing the joy he feels when he has the ability to express himself through singing to his boy.