Amy attempts to satisfy her urges by approaching Zack, telling him she is "130 pounds of raging estrogen" longing to "make Shakespeare's metaphorical Beast with Two Backs".
After rejecting Zack's lack of intellect, Amy adopts the Vulcan practice of Kolinahr to purge her emotions. [S4E10] The Alien Parasite Hypothesis
Dismissed by Amy (despite Sheldon's "testy bark of an old biddy" comment). Amy attempts to satisfy her urges by approaching
The "cold, harsh truth" they eventually accept. Iconic Moments & Quotes The "cold, harsh truth" they eventually accept
Sheldon’s preferred theory, as he finds it more plausible than the final option.
Sheldon famously declares 73 the "best number". It is the 21st prime number. Its mirror (37) is the 12th prime. In binary, it's a palindrome: 1001001 .
Amy informs Penny that the iconic heart shape is actually based on the shape of a female’s buttocks when bending over. The Alien Parasite Hypothesis | The Big Bang Theory Wiki