I was once also a 'wanderer", mislead at some point of my life, the Holy Ghost has been there but I have taken him for granted and never even listen to its promptings.
Yes, I agree that only if you are worthy, will the Holy Ghost and us be in tuned.
I don't know if this is true to you but, I have come back to Heavenly Father through the Adversities and trials he gives us. In such a way, we will be chastened and humble ourselves to ask for the guidance and Holy Ghost and then receive a personal revelations.
yes. 3 Nephi 9:20