Penny: How come you didn't go into work today? Sheldon: I'm taking a 1️⃣ _________ because I won't 2️⃣ _________ to 3️⃣ _________ minds. Penny: So you 4️⃣ _________, huh? Sheldon: Theoretical physicists do not 4️⃣ _________... but yeah. Penny: Maybe it's all for the best. I always say when one door closes, another one opens. Sheldon: No, it doesn't. 0️⃣ Not unless the two doors are connected by relays or there are motion sensors involved. Penny: No, I meant... Sheldon: 0️⃣ Or if the first door closing creates a change of air pressure that acts upon the second door. Penny: Never mind. @i_like_eng #video Write in the comments what the phrases by number 0️⃣ mean👇