"For this is what the Lord says: Don't enter a house where a mourning feast is taking place. Don't go to lament or sympathize with them, for I have removed My peace from these people"-[this is] the Lord's declaration-"[as well as My] faithful love and compassion.
References for Jeremiah 16:5
Both great and small will die in this land without burial. No lament will be made for them, nor will anyone cut himself or shave his head for them.
References for Jeremiah 16:6
Food won't be provided for the mourner to comfort him because of the dead. A cup of consolation won't be given him because of [the loss of] his father or mother.
You must not enter the house where feasting is taking place to sit with them to eat and drink.
For this is what the Lord of Hosts, the God of Israel, says: I am about to eliminate from this place, before your very eyes and in your time, the sound of joy and gladness, the voice of the bridegroom and the bride.
References for Jeremiah 16:9