A university president was starting to nod off as he sat through a speech by an astromoner. The astronomer was going through the timeline for our sun - the ordinary star that gives us life. He said that even if we don't kill ourselves off, the sun will, when it begins to die in about 5 billion years.
The president bolted upright and said, "What did you say? When will this happen?"
"In about 5 billion years from now," the astronomer answered.
"Oh, thank God," the president said, "I thought you said 5 million years..."