So no option for both? (Sexual Preference System)

Here's the problem. When we first learned about this, there was a panic that made us go into a wrong direction in our thinking.

Until we get our hands on it, we won't know the process of how every aspect works. So it's time to sit back, take a breath and see how this goes. They seem to have taken almost if not all situations and worked them in. We'll just have to learn the process.