article_snippet.sent: (CNN)Dan Swangard knows what death looks like.
article_snippet.sent: If he were given only months to live, CNN)Dan Swangard said, CNN)Dan Swangard can't say for certain whether CNN)Dan Swangard would take certain.
article_snippet.sent: But I want to be able to make that choice," CNN)Dan Swangard said.
article_snippet.sent: For lay people, death is much more mysterious.
article_snippet.sent: I don't think we know how to die," that said.
article_snippet.sent: It is a little bit of a blessing to know how I might die," Swangard said.