Doonesbury by Garry Trudeau for February 02, 1986
Joanie: "...And by three your child should be able to count to 100 in three languages." I don't need this... Rick: Hey, ho! Joanie: Finally! Rick: Sorry I missed dinner. Joanie: What happened? Rick: Stacked up over Baltimore. Jeffrey still up? Joanie: Yup. Just lowered him into his PJs. Rick: How's the little man doing? Joanie: Fine. He started a brand-new stage today. Rick: Stage? What sort of stage? Jeff: Daddy go away! Daddy no touch mommy! Rick: Oh no. Joanie: Spock says it's only for three years.