[Adult Sheldon walks through his childhood home:]
Adult Sheldon: Eventually, my mom sold the house. My dad's chair was gone. My spot was gone. [sits down on couch] Where we ate together. But I can still remember it exactly the way it was the day I left for Caltech.
Missy: Hey.
[Young Sheldon turns around to face Missy]
Missy: What are you doing?
Sheldon: Taking it all in one last time, so I remember it when I'm older.
Missy: You gonna remember me?
Sheldon: I have an eidetic memory. I have no choice.
Missy: Ha.

Adult Sheldon: In that moment, I had an epiphany. I could draw up a contract for any social relationship. It was a helpful way to remove ambiguity in a world that was often hard to understand. Article three Sheldon will not spy on Meemaw's house with binoculars.

Adult Sheldon: Not since sharing a uterus with my twin sister have I been so unhappy sitting next to someone.

Adult Sheldon: Since that night, I've battled orcs, zombies, Nazis, Nazi-zombies, a dinosaur in a go-kart, and played Van Halen's "Hot for Teacher" on a stringless, plastic guitar. But nothing would ever compare to that first quest with my meemaw. Although Leonard pulling a groin muscle doing Dance Dance Revolution was a close second.

Paige: You know, I read that adults who had a stunted childhood often become social misfits and weirdos.
Sheldon: You didn't read that, you're making it up like your goat story.
Paige: Psychology Magazine, February issue, 1988.
Sheldon: Well, um, that doesn't make it true.
Paige: Guess you'll find out when you're an adult.
Sheldon: I guess I will.
Adult Sheldon: Well, we know how this story ends. I grew up to become a well-adjusted and charming fellow. But at that moment in time, she had me worried.

Mary: Baby, you need to eat something.
Sheldon: But it looks like I can change the definitions of electric and magnetic fields and rotate the magnetic charge away mathematically to zero.
Mary: Maybe some fried okra would help.
Sheldon: Richard Feynman didn't develop quantum electrodynamics by filling up on fried okra.
Mary: Well, maybe that's because his mama didn't love him as much as I love you.
Adult Sheldon: Richard Feynman was Jewish. His mother didn't give him fried okra.

Adult Sheldon: Presenting... "Sheldon Cooper's Top Five Sources of News From My Childhood". Number five: Star Trek Fan Club Magazine.
Sheldon: Mom, DeForest Kelley's favorite episode is "The Empath."
Mary: Good to know.
Adult Sheldon: Number four: the Weather Cube from RadioShack.
Man: [from device] The humidity is 90% with a dew point of 79.5 degrees.
Sheldon: Mom! The dew point is 79.5 degrees.
Mary: [o.s.] Okay.
Adult Sheldon: Number three: The MacNeil/Lehrer NewsHour. Such a great theme song.
Sheldon: [hums] Buh-buh-bum.
Adult Sheldon: Number two: Meemaw after a few beers.
Meemaw: It took a while, but we finally picked a new name for my bowling team: The Ball Busters.
Sheldon: Hey, Mom. Guess what Meemaw named her bowling team? The Ball...
Adult Sheldon: And the number one source of news from my childhood: the bulletin board at the train store. News about trains in a store full of trains. Yummy.
Sheldon: How did this not make The MacNeil/Lehrer NewsHour?

Adult Sheldon: Heidelberg is considered one of the most beautiful cities in Germany. Heidelberg Palace, the Karl Theodor Bridge, the Schloss Schwetzingen. But I couldn't care less. The only sights I wanted to see were the looks of awe on the faces of my fellow students as I demonstrated my intellectual superiority.
Sheldon: Cylinders that are smaller than ten to the minus-35 meters. [all laugh] What's happening?
Professor Salzman: You don't laugh at people saying stupid things in Texas?
Sheldon: You're darn tootin' we do. So who goofed? [laughter]
Professor Salzman: You did, dummkopf.
Sheldon: Dummkopf? You're calling me a dummy?
Professor Salzman: Class, who knows where the dummkopf went wrong? [hands go up] Mr. Ziegler.
Mr. Ziegler: He forgot to consider the Calabi-Yau manifold.
Professor Salzman: Thank you, Mr. Ziegler.
Sheldon: Wait, what's the Calabi-Yau manifold? [laughter]
Professor Salzman: Dummkopf.
Adult Sheldon: I was quickly learning not all Germans were the warm, fun-loving people I was led to believe.

Adult Sheldon: Just like that, I overcame my fear of choking. All that was left was my fear of dogs, birds, insects, germs, hugging, button fly pants, rivers, ponds, lakes, oceans, estuaries, corduroy, root vegetables, squeaky balloons, tinted windows, take a penny, leave a penny, fireworks, potbelly stoves, dust bunnies, that fuzz on peaches.

Adult Sheldon: He had me. Somehow, the mullet-headed simpleton had me.

Adult Sheldon: The amends got worse when Coach Wilkins made me climb the rope. Lacking any upper body strength, I hung there like a salami in a deli window.

Adult Sheldon: As you can see, even as a small child, people cherished having me around and wept over my absence.

Adult Sheldon: Power has always been a deadly narcotic, and in 1989, RadioShack's Tandy 1000 SL was my drug of choice. With an Intel 8086 running at eight megahertz and a five-and-a-quarter-inch floppy drive, there was nothing I couldn't do. From adding snazzy graphics to my homework-
Sheldon: So snazzy.
Adult Sheldon: To easily alphabetizing my list of enemies and their crimes.
Sheldon: So easy.

Adult Sheldon: As you can see, my meemaw successfully lured me back into the world by reminding me of my brave Texas ancestors. Their blood ran through my veins. I was a true son of the Lone Star State. Albeit a true son with an incredibly fragile immune system. I woke up the next morning with a temperature of 102 and a head packed full of mucus.

Adult Sheldon: And so, our little social circle grew from two to three. An early example of how people are just drawn to me.