It seems to me that atheists' insistence on having a good life is usually seen in the context of a rebuttal of Christian needling, the old "you know your existence without God is an empty sham but you just won't admit it to me" kind of thing.
Of course, being an agnostic, I have no need of such things.
Still, you made me think of Berryman, so I brought some.
robin writes:
Dream Song 14
Life, friends, is boring. We must not say so.
After all, the sky flashes, the great sea yearns,
we ourselves flash and yearn,
and moreover my mother told me as a boy
(repeatedly) 'Ever to confess you're bored
means you have no
Inner Resources.' I conclude now I have no
inner resources, because I am heavy bored.
Peoples bore me,
literature bores me, especially great literature,
Henry bores me, with his plights & gripes
as bad as achilles,
Who loves people and valiant art, which bores me.
And the tranquil hills, & gin, look like a drag
and somehow a dog
has taken itself & its tail considerably away
into mountains or sea or sky, leaving
behind: me, wag.
-John Berryman
™ Version 4.2