Congrats on your baby and the battle you're winning losing weight (yo yo-ing is normal-it's great you can lose it!). And thank god you have supportive people not making this harder.
As for the excess skin/ weight, I would give it a little time. All my city friends were like, "you'll get a tummy tuck immediately of course" to me before my kids were even born. They never had kids, and didn't understand that it really takes time for all the "swelling" and excess skin to really go away. With concentrated proper muscle training to the area, you can reshape it. It took months of hard work at the gym (I'm older, so it didn't vanish in weeks like on a 20-something celebrity), but I got my belly back after first two pregnancies and plan to this time as well with my third due in July.
There are times when you feel like you have been permanently stretched out, gained too much weight to ever go back, have a totally different physique, and you'll never recover, but the human body is amazing. You can restructure your muscle layers and burn away the fat. It takes time and hard work. But once you do it, maintenance is easy.
185 isn't bad at all after a pregnancy! you can totally cut away that middle section within a year. Get into some specialized instruction from an instructor until you fully understand your muscles and can do the work on your own. Learn what types of foods to add to your diet to clear away impurities, give you strength and cut the swelling. You will see great improvements, and you can always do the tuck later!
Good luck!