
“Well, just smile and think about koalas.” “She’d see right through that. We go to the zoo all the time. She knows my koala face. And for future reference, it’s this..” Sheldon’s koala face (5.12 The Shiny Trinket Maneuver)
3.08 The Adhesive Duck Deficiency- “Could you please just take a break from being you for just a minute and try being, I don’t know, comforting?”

2.13 The Friendship Algorithm - “This is cruel, we better let him finish before his head explodes.”
2.01 The Bad Fish Paradigm - “Secret keeping is a complicated endeavour. One has to be concerned not only about what one says, but about facial expression, autonomic reflexes, when I try to deceive, I myself have more nervous tics than a lyme disease research facility.”