Intermittent fasting helped me to lose 178lbs in under 12 months and having regained 70 over the past few years, this post has encouraged me to resurrect the practice, although I will go for 14-18 hour fasts twice each week.

Good luck with this and with the gym, but maybe don't go for broke incase you break. Your fasting and regular movement will surely work without going too extreme (even if you are a full on person). I am also an "all or nothing" person, so I do understand and I have the scars