This phrase implies neglecting surroundings or obligations due to the deep interest in the activity.

Focused Exclusivity

Often implies a positive view of someone's dedication, especially in academic or intellectual pursuits.

Positive Connotation

It's a metaphorical expression and doesn't involve an actual nose or physical action.

Implies disapproval when someone unwelcomely interferes in others' matters.

Highlights the importance of respecting someone's private life and boundaries.

Best not used in formal contexts or when discussing sensitive topics to avoid offense.