HELP ME FIND THIS STORY PLEASE!

An over weight Bella is married to Jacob Black who gives her grief about her weight and appearance. She has weight-loss surgery performed by Jasper who owns a practice with Edward. Bella leaves Jacob In search of a new life. She meets Edward at the gym (I think) Where he helps her with an injury due to her surgery. He is attracted to her and introduces her to the life of BDSM. They fall in love and Edward shows Bella That she can love her body.

Sorry for the crappy description it's all I can remember LOL

Thank you!