Your opinions are only valuable if other people want to know them. If someone isn't open to hearing what you have to say, you might as well be talking backward. (now that would be a trick. ) the long and the short of it is mind your own business. That is, at least through wednesday. When thursday rolls around, the feeling around the office changes and your coworkers want to chat. They want to know what you think about everything. You know better than to assault someone with the full force of your critical mind, though. Be constructive and kind and they'll be the same toward you.