Hmm, I've seen research articles that bereaved adolescents had a steep decline in life satisfaction. At least I can vouch for that as my father died in an accident back in 2017.

https://onlinelibrary.wiley.com/doi/full/10.1111/jomf.12186

And on second thought, I think I should include this study in the article as well. Thank you for your input :))