Yes I know exactly how you feel about seeing her in some sexy nylons! Delicious! Hopefully she will eventually consider having a threesome with you! I hope it works out for you!
My wife is a smaller bbw and I love fucking her wet pussy and hear it pushing out air as I am fucking her! She once asked me for a threesome with one of my friends. I agreed to try it once and it was awesome so now a lot of my friends have fucked her with me and my only request is that I get to clean the cum out of her freshly fucked pussy afterwards.