This is basically liar paradox [1] :)
If it's true, then they shouldn't listen to you. But then they can follow advice of anyone, including yours.
If it's true, then they shouldn't listen to you. But then they can follow advice of anyone, including yours.
"This sentence" = "This sentence is false."
[This sentence is false] is false.
"This sentence" = "This sentence is false is false."
[This sentence is false is false] is false.
"This sentence" = "This sentence is false is false is false."
[This sentence is false is false is false] is false.
...