I become lucid fairly often when dreaming, but atleast 75% of the time I get excited when I realize it and it wakes me up!

For example, last night I dreamt my friend and I were driving down the interstate and saw two cars that were about to crash head on. Instead of colliding, they passed through eachother. I thought to myself "that's odd." and then realized "oh! I must be dreaming!" In excitement I turned to my friend to tell her I had just realized I was dreaming and that we should get out of this stupid truck and do something more fun... but then started feeling as if I was waking up, stuggled to stay asleep, but did indeed wake up. Blast!

Any suggestions for how to stay asleep when I become lucid, and stop losing good LDs?