tell me a joke

i tell my dad
the same jokes now.
his memory though sharp for his
age
is not quite what it was.
he likes
quick jokes.
play on words, that sort
of thing.
i keep a fresh one on a pad
in the kitchen
so that when we talk
on the phone
and end the conversation,
i can hear his distinctive
laugh before we say
goodbye.
a tree fell in the woods,
i tell him,
but no one heard it because
somebody's wife
kept talking.
he's always liked that one.