Was wondering if anyone had band slippage experiences they would like to share. My band was originally placed 11/13/07. I went from 215 lbs to 173 with no problems. I did vomit a few times (dry meat) but not violently. The first of April I fell really hard on a splintered tree trunk which hit to the right of and on my sternum--knocked the wind out of my me, but didn't have any apparent problems related to my band until 2 weeks later when about 3 hours after lunch (5 chicken nuggets) I started...