i think you would both do well to watch some of the shows on discovery health channel that follow patients through the process and for months to a couple of years after. they show what the surgery entails and the risks involved. it's not a quick fix, and unless someone is prepared to change their entire eating/health lifestyle it can be very dangerous.
my former employer's health plan began covering it for those who had a medical need and a whooooooooole lot of my co-workers had it or gastric bypass done. some did realy well and it was a godsend-gave them a new lease on life, but they had to monitor their eating habits and nutrition very carefully. others just saw it as a quick fix and went back to bad habits (albiet smaller portions) and were constantly ill, hospitalized-one lost all her hair because she was eating-but not getting the right nutrients. even people who follow 'the rules' to a t can have problems (one friend followed them religiously but developed constant inflamation such she could'nt keep anything down-kept having to go to e/r to get rehydrated).
one friend who has had incredible success with it (in fact it saved his life-he needs an organ transplant at some point and they would'nt consider putting him on a doner list unless he dropped weight, he has and in now considered a low risk candidate for transplant surgery) went through an established program at a hospital that required theraputic componants for both him and his wife (they require of any spouse or person who will be the primary caretaker during recovery at home). they said they felt so much better prepared having talked with staff and people in all stages of recovery and knowing what to expect, look for. the wife was realy surprised at how much it changed her lifestyle-totaly different way of shopping, planning meals, cooking. she said she never realised how much she'd have to learn about nutrition.