Dave: This little piggy went to…um, this little piggy…Sara, I forgot the tune!
Me: There is no tune.
Dave: Oh. Ok.
Dave: How about Mary had a little lamb…I forgot that tune, too!
Me: Ha ha! I’ll let that one drive you crazy for a little while.
Dave: Hm. Mary…Mary had a…Mary had a little lamb…and a wee little lamb was he!
Dave: I got it! Mary was a tub of lard, tub of lard, tub of –
Me: Honey, don’t sing that! They’ll learn it that way and then they’ll sing it to their friends.
Dave: But look. It worked. All thanks to fat Mary.