I did this with 100% diet, no exercise except for walking. I lost the 50 lbs in 8 months. What changed my life and got me going on my weight loss journey was seeing a nutritionist. I cut out all soda and diet soda, stopped going out to restaurants, and started counting calories and writing down everything I eat. I try to stick to 1200-1400 a day.
It feels good to finally lose that weight! Here is the before and after...


Update--here are a few more before and afters. I've been in maintenance mode
I was overweight from ages 16-27, so believe me, if I can change my ways after spending most of my adult life being overweight, you can lose weight too. Before--


After 50 lb loss:





