My back is killing me, baby I don't have any comfortable chairs My spine will become warped I won't be able to stand up straight And I don't brush my teeth twice a day Now I will lose them all in old age La de da de da de da I'll have to glue some fake ones on Volcanic rock can be dated reliably Genotypes, phenotypes And I will have my father's bald spot Dating method Have to remember not to smile Will lead to wrinkles in later life And don't furrow your brow Your forehead will grow ridges I wish I didn't have veins My eyeballs can feel my heartbeat La de da de da de da de da Hair is dead skin particles Volcanic rock can be dated reliably Genotypes, phenotypes And I will have my father's bald spot Dating method My back is killing me, baby I don't have any comfortable chairs My spine will become warped I won't be able to stand up straight And I don't brush my teeth twice a day Now I will lose them all in old age La de da de da de da I'll have to glue some fake ones on Volcanic rock can be dated reliably Genotypes, phenotypes And I will have my father's bald spot Dating method