What is hard is, you have to know what would spark them. Some would be curious about the facts about the date of the fall of Jerusalem (which is supposed to be the basis of 1914) Others would leave over the pedophile cover up. But another group wouldn't care about either.
Others have commented here on how they just treat their spouse with love and plan things to do that will weaken the hold the WT has on them. Because the WT really doesn't give people love - love for them just because they exist - but instead always judges and holds back approval.