dating tips for siblings

My thirteen year-old brother brought home a paper from school this week intended to spark discussion between teen and parent. Topic: dating. It had six questions, but writing answers was optional, as long as a parent signed the bottom of the page showing a discussion had taken place.
When I entered the kitchen, Mom and Bro seemed to be having a serious discussion so I tried to get in and out, causing as little discomfort for Bro as possible, but Mom stopped me and explained the assignment to see if I had any advice.

"If you go to a movie, don't buy chewy candy that will stick in your teeth. Always go to the bathroom immediately afterwards to check your teeth and make sure nothing is in them."

"Be prepared for Mom and Dad to make you have an earlier curfew than any of your friends."

"Bowling and pool are fun, but not if you're really good and she's not. She'll be nervous, so don't take her out to do something you're a whiz at."

I was apparently being too specific w/ my advice, according to Mom.

Later at supper, I added a postscript:
"You know, just do what you're comfortable with. Nothing is the end of the world, even though everything seems like it."

Bro said, "Well, what if we're on a date and then me and the girl are stopped by a street full of prophets proclaiming 'The end of the world is upon us!'?"

"Then that is the worst date that girl has ever been on."

He gave a little laugh and added, "but what if we couldn't help but run into them?"

"Well, she's still never going to call you again."

"...Crap," he whispered down at his plate.