If you've been watching The Big Bang Theory from the start, there are some things you just know.
For example, what do you do when a friend is in distress? Which Star Trek series is the best one? And what should you do every Wednesday night?
Here's a list of 13 things every real fan of The Big Bang Theory knows to be true!
Feeling a little rusty on your knowledge of the show? You can always watch The Big Bang Theory online right here via TV Fanatic!
When a Friend is Sad, It's Customary to Offer Them a Hot Beverage
Sheldon Cooper may not always understand social conventions, but here's one he gets. If a friend is sad, it's customary to offer them some sort of hot beverage. Preferably tea or hot cocoa.
Scissors Cuts Paper, Paper Covers Rock, Rock Crushes Lizard, Lizard Poisons Spock
The full rules of the game: scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, (and as it always has) rock crushes scissors.
Vapo Rub Works Best with a Song
Vapo Rub is great when you're sick, but it works much better if the person applying it also sings the song, "Soft Kitty." It goes like this: "Soft kitty, warm kitty, little ball of fur. Happy kitty, sleepy kitty. Purr, purr, purr."
Star Trek: The Original Series is Far Superior to Star Trek: The Next Generation
While Sheldon and Leonard believe that Star Trek: The Original Series is much better than Star Trek: The Next Generation, they also agree that Captain Picard is superior to Captain Kirk.
You Should Never, Ever Bring Back Fruit with a Happy Meal
Amy once made that mistake with a pregnant Bernadette, who exclaimed, "What kind of lunatic goes to McDonald's a gets fruit?!" Seriously, Amy, always bring back fries.
Exchanging Gifts Can Be Stressful
According to Sheldon, exchanging gifts is a stressful business. What if the gift you're giving is less than or more than the one you're receiving? Of course, the stress of gift-giving between friends is totally worth it.