Need some help! and Advice! pleasee :)

Hi I am 18 years old 341 pounds bmi = 48. I am so sick of being made fun of being in pain and being unhappy! I start my 6 month supurzied diet the 21st for the lap band I am wondering what's the sucess rate for lap band or what people think I can lose with the diet I'm doing. I swim 2 hours a day eat 3 small meals and walk 2 miles a day along with swimming on Tuesday and Thursday I do aqua therapy along with the swimming and walking for 1 hour I need to lose 165 pounds what do you think when do you think I could be down the 165pds I am having plastic surgery after I lose it and a boob job :thumbdown: please info me of anything helpful!!!! or your sucess and how long I love hearing that love,Brandy! <3