Grief and loss are things that Western society has not fit into its cultural idea of acceptability. Unlike other cultures, we find it very hard to accept the process of loss and rarely talk about death.

What to Say (and What Not to Say) to Someone Who’s Grieving
https://www.nytimes.com/2019/02/14/smarter-living/what-to-say-and-what-not-to-say-to-someone-whos-grieving.html

What Not to Say to Someone Who is Grieving | Kay Warren
https://www.youtube.com/watch?v=kyQMh9j56r4

We don't "move on" from grief. We move forward with ithttps://www.ted.com/talks/nora_mcinerny_we_don_t_move_on_from_grief_we_move_forward_with_it