And don't worry about «dumb» questions — if you don't know the answer already, it isn't a dumb question. (animals.howstuffworks.com)
I usually can eliminate all or most wrong answers if I don't already know the answer. (redeeminggod.com)
The spouse should write down questions and take a moment to figure out if knowing the answers to these questions will help ease their mind or make things worse. (marriage.com)