User blog:Pizzanocheese/What would happen if a demigod fell in love with a god?

OK what would happen if a demigod fell in love with a god. Wouldnt that make the offspring 75% God and 25% mortal? But what also would happen, say, if a son of Aphrodite( who didn't know about being a demigod yet) fell in love with his mom? That would be awkward, but could it happen?