none of my business

• privacyFreedom from observation
• boundariesLines marking separation
• nosyIntrusively curious
• pryingIntrusively inquisitive
• gossipInformal talk spreading rumors

butt out · intrusive · personal · private · secrets · eavesdrop · meddling · curiosity · busybody · oversharing · awkward · uncomfortable · stranger · confidential · hands off · stay out · keep out · affair

• expressions of disassociationnot my problem, count me out, leave me out, not affiliated, denial
• indifferenceapathy, indifference, unconcern, disinterest, nonchalance