Assalamualaikum Bhaia @shahid76,
The way your youngest son eagerly waits for you brings some memories of mine of how I used to wait for my father to come back from the office. Yes, this is called a father who keeps aside his tiredness for the sake of her children's joy and becomes his playmate and friend. It’s amazing and I appreciate it that the way you are raising your child in an appropriate manner by teaching him family values through simple actions and language. In Sha Allah, the long-lasting bond between both of you will be deeper day by day. Thank you for bringing such a heartfelt glimpse into your family life.