How to become a monkey in Vrndavana

[Bhakti Vikasa Swami]

Seeking after sex in Vrndavana, means such person will have to take birth as
monkey next life. Monkey. Because they have taken shelter of Vrndavana, and
still they're indulging, monkey's business, so they have to... It is Krsna's
mercy. Tat te 'nukampam su-samiksamanah [SB 10.14.8]. In Vrndavana the land,
transcendental land, that will not go in vain. But these persons who are
indulging unnecessary sex life in Vrndavana, they'll have to take birth as
monkeys in Vrndavana, and then next life they'll be liberated. So otherwise,
why in Vrndavana the monkeys? They are also devotees, but they could not
proceed nicely. So animal life means stopping sinful activities, and
whatever sinful reaction is there, in one life finished. We should be very,
very careful. Dhama, dhama-aparadha. In the dhama... In other places if you
chant Hare Krsna, the result of such chanting will be increased thousand
times if you chant in Vrndavana. Similarly, in other place, the sinful
activities, if you commit that sinful activities in Vrndavana, then it will
be thousand times increased. So we have to be very careful.
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From Srila Prabhupada's lecture on Srimad-Bhagavatam 1.7.11 -- September 10,
1976, Vrndavana