the digestive system

my doctor wants to talk
about my
digestive system, to which
I shut my
eyes, put my fingers
into my ears
and say,
la la la la.
she brings up a colonoscopy
again.
and fiber.
what's your fiber
intake
she asks, tapping her
pen
against my knee.
why isn't your knee
moving when I do that, she
asks.
I don't know, I say.
but please, stop
you're getting ink on me.
fiber?, she says, again.
I eat two
bowls of oatmeal
a day. I tell her.
I have no more room for
fiber.
one minute, or old fashioned,
she asks,
making a mark on my chart.