I've been thinking for some time about having wls and finally took the plunge to see a Consultant. I've since had dietitian/psych consultations and have been "passed" for a gastric bypass though I don't have a date yet for the op. I have just over 4 stone to lose which has crept up on me over the last decade due to stressful situations/comfort eating. Having spoken to the dietitian and looking through the various topics and posts on bariatricpal I can see that in order to successfully maintain the weight loss which is achieved after the bypass, it's necessary to limit eating forever, say by calorie counting, and if this isn't done then it's likely that I would regain weight, despite the smaller stomach. I had (obviously stupidly) assumed that with a smaller stomach it would simply not be physically possible to eat as much and that this would keep the weight off.
In the past I've been a bit of a yo-yo dieter and have lost weight successfully at Slimming World; the problem for me is that I find it hard not to go back to old eating habits and gradually the weight goes back on.
So my question is: why is having the weight loss surgery more effective than losing the weight by dieting in terms of keeping the weight off long term? Am I just as likely to put the weight back on after wls as I would if I lost weight following a diet? I have to self-fund the wls and thinking about that, as well as the fact that it's major surgery plus the various potential issues such as hair loss etc is freaking me out a bit.
Any thoughts? Thanks!