Just as Krsna does not take a step away from Vrndavana, Krsna's devotee also does not like to leave Vrndavana. However, when he has to tend to Krsna's business, he leaves Vrndavana. After finishing his mission, a pure devotee returns home, back to Vrndavana, back to Godhead.

>>> Ref. VedaBase => Madhya 13.156