I agree with Simcoeluv. Focus on doing 5:2 the way it is explained before trying an alternate variation. That’s a terrific goal, and very similar to mine. My goal is 100lbs over 4 years. I struggled to remove starchy carbs from fast days then about 3 months removed starchy carbs from feed days. I also abandoned 5:2 after 7 months when I lost 34 lbs and hit plateau wieght. I thought it was just another fad diet let down. 5 months went by and I stepped on the scale. I was still 27lbs lighter than when I first started 5:2. That inspired me to restart 5:2. After my first month the scale showed I had lost another 5lbs. I’m very pleased with results. Very pleased to eat foods I really enjoy just as I always have. Albeit not every single day at every single meal. I’m not saying I haven’t had struggles, but what weight loss plan can say there isn’t struggle. What like most about 5:2 lifestyle is there is a lot of variety. Enough so that what works for me, isn’t the same for everyone. However everyone can find which foods work for them. I learned the differences between hunger pangs, being hungry, being sated, being full, getting stuffed, and binging. Once I added foods that are have probiotic in them I stopped binging. That’s why Simcoeluv advice is spot on. Start with the doing the fast days well and the rest will fall into place.