poke your nose into something
From Longman Dictionary of Contemporary Englishpoke your nose into somethingpoke your nose into somethinginformal to take an interest or get involved in someone else’s private affairs, in a way that annoys them I’m sick of your mother poking her nose into our marriage. → pokeExamples from the Corpuspoke your nose into something• Or maybe they resented a stranger poking his nose into their affairs?