Dreading the holidays because of the question

I come from a big family so we go to a lot of party's this time of year and the 2nd question after, how have we been is always, when are we going to have a baby. I try to play it off and say we're just not ready, but its been 5yrs now and still can't conceive.Should I just tell them the truth? Or should I just keep it private until I'm blessed?