Why does not make sense to send a signal to the same node emitting it?

I do it all the time with area collisions. What could we use instead?
It’s a method used on Godot Official Docs: https://godot.readthedocs.io/en/3.0/getting_started/step_by_step/your_first_game.html#preparing-for-collisions

Source: Video 10- Line Edit. Minute 7:30

You know, now that you question me on it, I’m not sure I have a reason. I think I just saw it as red on the node list and assumed that meant bad!

Hmmm now I’m confused

Seems like the red color only means it is the emmiting node. It will be changed to avoid confusion, check this out for more info: https://github.com/godotengine/godot/issues/18162


Ah! Interesting. I’d assumed it was a warning!

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