The body can naturally fluctuate by several pounds from day to day, due mainly to shifts in hydration levels and water weight. What is likely happenning is that you are losing fat at a reasonably steady rate throughout, but when there is an uptick in water weight, there is no change in the scale, and when there is a downtick, the combination of that and the fat loss will show up as a drop of 2-3 lbs.
The tape is a way of tracking your progress that is a lot less sensitive to shifts in water weight than the scale. Also, keep looking at the longer term trend, rather than just the weekly result.
Weight loss naturally slows down as you approach your goal weight. While more dramatic losses (2-3 lbs per week) are possible when you have a lot to lose, as your weight loss journey continues, you are just not going to see it come off at the same rate as it might have when you have 100 lbs to lose. A healthy and sustainable rate of weight loss is generally reckoned at 1-2 lbs per week, and it sounds like you are losing at pretty much that rate (averaged over several weeks).
Keep doing what you are doing - it seems to be working. Perhaps just broaden the ways you measure progress?
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.
| current weight: 178.0