Don't smoke any more and get those test strips so you know where you stand. Read up on the dillution sticky if you do not want to sub. You can kick up some cardio exercise and eat a high fiber diet and take metamucil capsules. STop on wed. and go into high fat, fast food mode. The day of the test follow the dillution sticky excpet do not take the aspirin (outdated info) and sub gatorade for water.