Matthew McConaughey is a man of many great quotes, but his antidotes about his mother (and notorious red carpet spotlight-stealer) Kay McCabe McConaughey are always amazing. The Interstellar star revealed on The Tonight Show Starring Jimmy Fallon on Thursday night that his mother had been lying to him about winning the Little Mister Texas pageant back in 1977. Watch the video above to hear why Kay “altered” the truth (and how Matthew found out) and also hear how she played a part in the actor plagiarizing a poem during his schoolyears. After you watch the clip, be sure to check out more must-see viral videos!