She said she was going to give him a special prize for helping her get the guantlets. Also Geroodu sneak into Hyrule seeking boyfriends with which to copulate, who they then abandon and return to the desert carrying her daughter.
And when you beat the Spirit Temple, she says "If I had known you'd turn out so handsome... I should have kept the promise I made back then." Or something along those lines. In the 3DS version, anyways.
