Penny: "I always say that when one door closes, another one opens."
Sheldon: "No it doesn't. Not unless the two doors are connected by relays or there are motion sensors involved. Or if the first door closing creates a change of air pressure that acts upon the second door."
Sheldon: "No it doesn't. Not unless the two doors are connected by relays or there are motion sensors involved. Or if the first door closing creates a change of air pressure that acts upon the second door."
Sorry, had to xD