TBBT 4A Apartment.
Everyone was chatting and laughing when Leonard came out of the bathroom, still on the phone.
"I'm really busy. Could we postpone it a little and give me some time to prepare? Of course, you know what my concerns are. Can't we put it off until spring or next summer..."
"Who's he talking to?"
Watching her boyfriend sound so troubled and humble, Penny felt inexplicably annoyed.
He was never this humble with her.
"Maybe Megan Fox."
Howard mocked.
"This is actually easy to deduce. He's holding the phone to his left ear. The left ear is controlled by the left brain, so he's analyzing rationally rather than acting emotionally. That indicates he has no personal relationship with the caller, so Penny, you don't need to worry."
Sheldon analyzed.
"I'm worried?"
Penny couldn't help laughing. "Did you forget what Leonard just said? I'm not Bernadette. I've always stressed that I can replace someone anytime!"
"How about we switch?"
Howard couldn't help chiming in. "You and me, Leonard and Bernadette. Wouldn't all four of us be satisfied then?"
"Shut up!"
Penny looked utterly disgusted.
"...No, I didn't realize it had been so long. Fine, I guess I have no other choice. I'll just have to do it..."
Leonard spoke into the phone with a bitter smile.
"He mentioned something he did before. It was unpleasant, and now he needs to do it again. That suggests some sort of invasive medical examination, such as a colonoscopy."
Sheldon continued his analysis. As he said that, everyone looked at Adam.
"No."
Adam smiled. "Can't you tell what's so obvious? Leonard's mother is on the phone with him."
"No, impossible!"
Sheldon refused to accept it. "How could my analysis be wrong?"
"Because you're not a doctor and only know a little about many