They had their sperm mixed together and a surrogate mother was artificially inseminated.
When the baby was born Elton and David were ushered into a ward where a dozen babies were lying in their cots, eleven of them crying and screaming.
In the corner, one baby was lying serenely. A nurse came over to both of them and indicated that the happy child was theirs.
"Isn't it wonderful?" Elton asked David. "All these crying babies...and yet our baby is so content. This just proves the superiority of gay love!
"The nurse said, "Oh sure, he's happy now, but just watch what happens when I pull the dummy out of his arse...."