I’m scheduled for my first of two skin removal surgeries on 5/8 (28 days, ack!). My plastic surgeon wants people to be maintaining their weight for at least 3 months before surgery. I will have been in maintenance for 6 months on the day of my surgery. It’s so hard to know when you’ve lost “enough” because loose skins looks a lot like fat. My BMI is 22.5. I figured if I was in the middle of the normal BMI range, I’d done what I could and now I needed help to also look normal. You could go get a consult and have them tell you what they suggest as far as the 40 pounds is concerned for you to get the best possible result.