Interacting with someone who's feeling emotions similar to yours reduces stress
Tina Miller, MA,CFLE stashed this in peace skills
Participants who interacted with someone experiencing similar emotions to them (e.g. stress) had reduced cortisol levels and lower levels of reported stress compared to interacting with someone feeling dissimilar emotions.
This works for grief, too.
The best way to get through sadness is to be there for someone else who is sad.