Proximity is important.
Definition: Closest in relationship; immediate. Nearly accurate; approximate.
Important when convincing others
Important with learning things
Not proximity physically always nor only but proximity of being where someone, something is emotionally, intellectualy, mentally.

When we are understanding someone anew, being in the same headspace is important. Being in the same physical location as wel is impactful. When we learn something, being close to the source of original data/information is valuable. Hearing it from the “mouth” maintains validity of the information. It is ensured more-so to be true and complete.
Where else is proximity of value?
When is proximity challenging?
How can you hear it from the source? Get close to the origin? Be more true?