Kubler-Ross process -> "A model outlining emotional responses to terminal diagnosis or loss: Denial, Anger, Bargaining, Depression, and Acceptance"

Exactly. The stages don't always occur in order, or at all, but you can see the general progression play out any day, all day on here.

I'm happily surprised (frankly amazed TBH) that the submitter didn't get bawled out by people flagging the post and accusing him of posting slop.