The Lord descends to this mortal world to show His pastimes in Vrindavana, which are full of happiness. When Lord Sri Krishna was in Vrindavana, His activities with His cowherd boyfriends, with His damsel friends, with the other inhabitants of Vrindavana and with the cows were all full of happiness. The total population of Vrindavana knew nothing but Krishna. But Lord Krishna even discouraged His father Nanda Maharaja from worshiping the demigod Indra, because He wanted to establish the fact that people need not worship any demigod. They need only worship the Supreme Lord, because their ultimate goal is to return to His abode