Why?

Today...this 25th day of the month of July in the year 2005...

Calvin started asking us, "Why?"

For the past couple of months, he has been more inquisitive but it's mostly been "What's that?" While JD was playing with him today, he started several strings of "why's."

Cal - "What's that?"
JD - "Nigel's crying."
Cal - "Why is he crying?"
JD - "Because he just got up."
Cal - "Why did he just got up?"
JD - "Because he's been sleeping."
Cal - "Why has he been sleeping?"
JD - "Because he was tired."
Cal - "Why..."
*fill in rest of conversation*

Wish me luck and send any spare patience my way, please.