That I link to biased sites (which sites are not biased?) is not relevant since they provide quotations and citations from The Barna Group, New House News, Amer. J. Psychiatry, J. Gerontol. B. Psychol. Sci. Soc Sci., etc.
Since no one claimed anything about ALL atheists; the fact taht you “know many atheists who are happy...” is not relevant to the consistent finding by various studies by various organizations.
Fair enough. I just posted an opinion from first hand observations. My apologies for the biased comment.