The last 10 lbs are harder because body adapts to deficit. Six tactics.

1. Refeed days — one higher-calorie day weekly to reset metabolism
2. Diet break weeks — 1 week at maintenance every 8 weeks
3. Increase protein to 2.0-2.2 g/kg
4. Add 1,000-2,000 daily steps
5. Strength train slightly heavier (progressive overload continues)
6. Accept rate of ~0.3-0.5 lb/week at this stage — normal