[lazide]

Depending on the topic, almost no relationships meet your definition of ‘non-toxic’ in my experience. And I’ve had a lot of experience.

[thfuran]

>Depending on the topic

In the sense that there might be something you could say to tank a relationship? Sure. But that's a far cry not generally being able to express "unfinished opinions" or any vulnerability, as the original commenter said.