I will admit there was much use of quite foul language on my part during the BC removal on the surface.
I had to laugh so much at this.... I remember on my OW, the Don and Doff of my BC didn't go the best. I'd have been more successful trying to wrestle with a crocodile. In the End the instructor put me back on the boat to calm down (I was getting frustrated and angry at the BC) On the few times I now have to do it it's easy now, only down to confidence and comfort in the water.
I could not so the deep water exit with tank on my back, even with my 20 pounds of lead pulled out of BP/ W. Had to take it off. I couldn't even bend down enough to get my fins off! Instructor had to do it. I was just beat
Don't stress on that either. I hate shore entries and exits. You only having 20lbs in your DS is good too, I had similar last year when I took my DS course with a lot more dives. as you get more comfortable you'll lose a few lbs at least.well done.