Glue it is .....

Fred & Mary got married but can't afford a honeymoon, so they go back toFred's Mom & Dad's for their first night together.In the morning, Johnny, Fred's little brother, gets up & has his breakfast.As he is going out of the door to go to school, he asks his mom if Fred andMary are up yet.She replies, "No".Johnny asks, "Do you know what I think?"His mom replies, "I don't want to hear what you think! Just go to school." Johnny comes home for lunch and asks his mom, "Are Fred and Mary up yet?"She replies, "No."Johnny says, "Do you know what I think?"His mom replies, "Never mind what you think! Eat your lunch & go back to school."After school, Johnny comes home & asks again, "Are Fred & Mary up yet?"His mom says, "No."He asks, "Do you know what I think?"His mom replies, "Ok, now tell me what you think?" He says: "Last night Fred came to my room and asked for some Vaseline and Ithink I gave him my airplane glue."