Anything that will elicit tears in a big way, even a Hallmark commercial, would do. The tear-jerker is going to be the fire around the forest fire that will stop the tears. I was crying until the sad stuff started happening in the movie, and then I stopped. There were some painful aspects that I didn't feel until a year after. I don't think you can realize how horrible cancer is at the moment or else you'd explode.
War is a good analogy.
Also, I always thought parents just bothered their kids. I didn't realize that kids bothered their parents. Inc. All rights reserved.