Krsna had 16,108 wives in Dvaraka, and each and every one of them was attracted to Krsna just as iron is attracted by a magnet. There is a statement by a devotee: “My dear Lord, You are just like a magnet, and all the damsels of Vraja are just like iron: in whichever direction You are moving they are following You, as iron is attracted by magnetic force.”
From The Nectar of Devotion by Srila Prabhupada