intrude into (something)
To involve oneself in something in a way that is meddlesome or unwelcome. A reflexive pronoun can be used between "intrude" and "into." I make it a point never to intrude myself into other people's personal affairs. Leave it to Mom to try to intrude into your relationship.
intrude into something
to get involved in something that is someone else's business. I don't want to intrude into your affairs, but I see that you're short of money. Please don't intrude into this matter.