"For a lot of reasons."
"Didn't you know it was your duty under the law to tell what you claimed to know?"
"I kind of thought so."
"So then you were neglecting your duty and knew that you were?"
"Maybe so."
"And didn't you know that when a case is tried, the witnesses for one side are all heard together, and then the witnesses for the other?"
"Well, I know that now."
"And that it's the exception for a witness to be heard after one side of the case, the side he belongs to, has closed its testimony?"
"I know that now."
"And you waited until this case was practically over and then offered yourself?"