We're both in our 30's and I'm a little older.
Most Helpful Guy
We have to be honest. Being physically attracted to our partner is part of the deal. If he isn't attracted to bbw's, and if you lose the weight he can become attracted to you for sure! Just like someone with a bad attitude can be a total turn off, but if they change that we can find them attractive again also.
Most Helpful Girl
He would probably be more physically attracted to you if you lost weight, but just losing 40 lb (for me at least) took almost a year. By that time you may move on from him and you'd be getting a lot more attention from guys anyway, so you might find someone else.