99 down with 29 to go is already past the hardest stretch - the last 20-30 tend to move slower but the body's already recalibrated to a lower operating point.
99 lbs down and 29 more to go puts the finish line close enough to see the shape of what the endpoint will look like - the last 29 at this pace usually come with a longer timeline than the first 99, but the behavioral foundation carrying them is stronger.