Grief is a slow process and takes time to get over. It is a long marathon that has its ups and downs.
The article, GRIEF IS A SLOW AND STEADY MARATHON RUN, by Laurie Burrows states,
“When you experience grief, you know you are in the throes of it for the long haul. This is not a short sprint. This is a marathon, and like any marathon, you must build up your endurance.”