Place an open glass filled with water in your car's cup holder. Drive somewhere. Feel what the road is like. Note how much water spills.
During your next flight, note how much water/wine, etc spills from your cup.
I bet that will help, just a little, with putting turbulence into perspective.
Here are some resources:
http://www.takingflight.us/flying-fear-resources.php
For what it's worth, I have a flying phobia-but have had great success in subduing the monster. I came to realize that most of my fear is the result of my imagination. I tame my imagination and most of my fear is under control.