I sort of had to tell, since it was so obvious I was tanking & everyone knew it. If I hadn't been in such bad shape I probably would've kept it to myself. It all depends on how keeping it quiet is making you feel. If it's eating away at you, come out with it and be free of the burden. If you're afraid it'll just create more stress for you, then don't say anything - you can always do it at some point in the future.