That's the difference between irony and sarcasm. Irony can be spontaneous, while sarcasm requires volition. You have to create sarcasm.

Then someone started pounding on the door. And not a little "Hey, what's up?" pound. Like there was a big sale on door pounds down at the Pound Outlet. Buy one, get one free at Pounds-n-Stuff. --Being the Journal of Abby Normal

He has the attention span of a hummingbird.

Nothing evokes the prurient like puritanism.

Compliment but do not covet.

For me, 'Lamb' started out as a further exploration of the phenomenon of faith and the responsibility of a messiah that I touched on in 'Coyote Blue' and 'Island of the Sequined Love Nun,' but it ended up being an exploration of the true meaning of sacrifice, loyalty, and friendship.

Most of us don't live our lives with one, integrated self that meets the world, we're a whole bunch of selves.