There is no need to bring in god. All that is needed is to talk to him. Let him express his feelings freely to you. While he is expressing his feelings, you can inwardly remember God and keep offering all that he is speaking and you are hearing to the Divine. Your offering and prayers will be as effective or even more.
Secondly, show him the larger landscape of life, the number of dreams he has to realise, the beautiful future he is here to build. Show him his strengths and capacities first. Then you can gently say how certain habits are coming in the way of realizing his full potentials.
Teach him how to master emotions with the help of reason. Meanwhile, it will help him if he simply got busy, leaving little time to brood upon the loss. Physical activities help a lot. And if possible, a little change over the weekend and engaging in activities he normally loves, even eating things he is fond of, doing a little window shopping, should be enough to take him out of this state.
With prayers. 🌼
Affectionately
Alok Da
