I'm with you Michelle....it's shocking what people serve guests at weddings, charity benefits, parties, etc. You and hubby did very well to go get what you needed and not succumb to diving face first into all the wedding sugars, breads, etc.
Last year when I first started FTS I went to store and bought a set of ice chests (medium to small) that I use. I take the medium one to work with my food in it (I travel to my job and sometimes am stuck there for more than 10 hours etc.)....then I have this little chest about purse size that I take everywhere with me. I put a blue ice in it, and put in some cheese, meat, boiled eggs, celery, dip, etc., whatever I need to eat in case I either get hungry, and there is nothing available, etc. I've even taken a tuna pouch in my purse, and a little bottle of dressing, ordered a big salad, and discreetly add tuna and my dressing. I wouldn't do that at a wedding though, but I often eat right a healthy meal RIGHT before I attend something that is going to have the wrong foods availalble.
In the medium size chest I keep a can opener, some stacking little rubbermaid type containers with lids, a small plastic cutting board, utensils, buoullion (sp?) and mug (can be used for soup), decaf teas, Zero sweetener, tuna pouch, salad things, blue ice, small plate, utensils, etc. Oh, and I do like Diet Rite caffeine free, splenda sweetened diet soda, and usually always have one with me.
When I'm successful this works so well for me because I'm prepared for anything that comes up unexpectedly, and have my foods on hand to sustain me for about one day until I would be able to get to a store. This is a little trickier to keep cool during the summer when it's hotter, but the blue ice helps it all work.