"Here, fill it out again and don't mention that." I had the exact same experience when applying for a clearance while I was in college, for the "have you taken illegal drugs" question. When I honestly answered yes, the interviewer got fidgety and then asked, "well do you take them now?" no. "Do you know any drug users?" We're on a college campus, what would you like me to say? "Well, are you friends with any of them?…
My spouse was considering applying to the Air Force almost 20 years ago (for the language learning school), and got the recruiter very excited after demonstrating excellent scores on the ASVAB... then it all fell apart after they answered some questions honestly about past depression and refused to lie about it on the forms as the recruiter wanted them to.