▸ WHAT IT REVEALSDepth of ownership, what they value, storytelling ability.▸ GOOD ANSWER LOOKS LIKEStrong narrative, personal contribution clear, outcome meaningful.▸ RED FLAGSCan't articulate why they're proud of it beyond 'it worked out.'▸ FOLLOW-UP PROBEWhat would you do differently if you were starting it today?