Dr. Cox: I didn't just get a vasectomy.
Dr. Kelso: Come on, soldier. If I have to force you to drop your pants, I will. So, tell Bobbo, was it a hard decision for the two of you to make?
[flashback to Dr. Cox in the doctor's surgery:]
Dr. Cox: Snip it, doc. Snip it hard.
[present:]
Dr. Cox: Yeah, we- We really... struggled with it.
Dr. Kelso: I don't really care.