Lucid dreams make me sad, it always ends up with me waving goodbye to the people who inhabit the temporal universe, and as they wave back I close my eyes and wake up.
I swear, they even behaved like real people. The recent one included a bloody war over an airport. Missiles were being launched from the runways by hundreds, the sky was lit up with lightning and falling aircraft. The people who were with me even told me not to wake up just yet; they were the ones that made me realize that I was dreaming. One person even held me tight crying, "don't wake up!" she yelled.