Grief starts to become indulgent, and it doesn't serve anyone, and it's painful. But if you transform it into remembrance, then you're magnifying the person you lost and also giving something of that person to other people, so they can experience something of that person.
The first sentence of every novel should be: Trust me, this will take time but there is order here, very faint, very human. Meander if you want to get to town.