The stages of grief idea that, you know, a lot of people have heard of. This is the famous elizabeth coobler ross, the model that she popularized. There is very little empirical evidence that this is either universal or even typical,. Or i would almost say i hesitate to use the word useful for someone? But we should say that her career was spent helping patients who were dying, terminal patients, confront their own death. So it somehow got ported over to how we grieve for other people.