So disappointed. Little to no change after 5 mo. New Pics included

Turning 40 soon and want to not be as self conscious about my stomach. I had 2 c sections and gained probably 70 lbs with each. I am small waisted and I have really poor elasticity to my skin. I had tons of stretch marks with my pregnancies and loose skin afterwards. I originally was 135 when I got perhaps with my first. Got back down to 145. After number 2 I only got down to 150. I exercise daily and have never been able to improve my belly. It is almost like it isn't connected and just goes with the motions!!
I've been asked many times when I am due which always makes me cry since it is so embarrassing. I'm not that big everywhere else so I get why they might think it. I lost 20lbs last year which made me feel terrific but the gut was still there! I think at that point my husband realized that there was nothing I could do to fix it. He's been very supportive and knows how terrible I feel when I change my shirt multiple times before I go out because I look pregnant in any fitted shirt I put on.

My pre surgery appointment is this Wed. I found out at my consultation I also have an umbilical hernia. I had no idea! Anyhow, it will be fixed at the same time. I have a 2.5 inch diastasis from my belly button to my sternum. Below the bellybutton down I have tons of stretch marks and hanging skin. My doc is going to tighten the muscles and lipo the flanks too.

I'm taking 2 weeks off from work. I've started building my arsenal of supplies that I've received from all of you!! It is so helpful.