I wasn't quite to 300, but similar starting BMI (5'9", 284 lbs HW). Surgery 9/21, weighed in 218 today, which is lighter than I have been in 20 years. Before, I was tired all the time and everything hurt. Now I am much more active, my BP is much lower, and I am wearing L pants and XL shirts for the first time in many years. I have about 30 lbs to go, but I think that goal is in reach. I'm glad I did this.
Today, I put on my "skinny" jeans, meaning they were the ones I was hanging on in case I got thin again. They were too loose and I need to go down a size.