Kerri
I asked this question myself about 2 years ago. I can tell you for me it was the RIGHT thing. The worst thing for me was that I didn't do it sooner. I could NOT face turning 30 at 320+ pounds. I had done everything there was and nothing worked for me. I always failed. For me the band conquered the BIGGEST problem for me, my mind. It was always telling me that I was starving or hungry and it always made me eat.
I can tell you that for family and friends, if you do this you are doing this FOR YOU, not them. While it is good to have them behind you, if they can't be then let them go on their merry way! I can tell you that I have lost a lot of friends who didn't support me, but have also learned who my real friends were and gained better relationships with them. It is easy for them to judge and say this is the easy way out. I can tell you if this is the easy way, then I wouldn't want to see the hard way!
This has not been easy for me, but I wouldn't trade it for anything in the world! I have lost 165+ pounds and gained a whole new me. One that I like, one that is beautiful and most of all one that is healthy. No one can take that away from me!
Yes, after some time you will be able to eat with friends again, socially. BUT you will learn a new way to eat and a new full. You won't be pigging out anymore and that is a good thing!
As for the needles, don't look!

They are a part of the game, but only every 6-8 weeks or more for a few seconds. Worth it all, let me tell you!
Good luck on your decision, let me know if I can help you!