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Please say you're joking. That'd be sad.

No I'm not joking. Want the link?
@renodakota number leads to here
https://suicidepreventionlifeline.org

Oh man. Hopefully it was to help someone else. Now I feel bad.

You did nothing wrong, you found a note.
Don't think the worst and beat yourself up.
They can find help without the note, if they need it.