> It took someone more level headed to start telling her when her reactions were not valid to certain situations to begin stabilizing the behavior.
I guess at the risk of splitting hairs, I think it's more likely they stopped misappropriating more than they started invalidating. I see a difference between "you shouldn't feel that way" and "I disagree with that conclusion" such that one can logically say both (well, the former being "it's okay to feel that way") in the same breath.
So many people are trying to project onto this anecdote or substitute their own reality.
The reality is simpler: It was basically "Yeah it sucks that <minor annoyance> happened at work, but sulking about it for 3 days is not a good way to handle that"
Whereas the "validating emotions" guy would just jump in and be a sounding board for 3 days straight
Feeling a little upset over minor annoyances is valid. Having your emotional state crumble at the slightest breeze is not. Having someone around who basically validates the latter is not good.