There are quite a few unspoken rules when it comes to speeches at weddings. They're unspoken because one would think that they are common sense, but alas, today's thread is testimony to the fact that these rules may need to be engraved on some stone slabs from a holy mountain so that some people will finally get it. First thing's first, you have to make sure that you're supposed to be giving a speech before you make one. That is to say, make sure that it's not actually just supposed to be a rea…