I am in love with my son. How do you get married in the UK when you're in an incestuous relationship?

We're both 22+. I am in love with my son. Can't stress enough that we are both legal adults. Now that many countries have legalised gay marriages, I am truly hoping to see the day where incest relationships (or whatever you choose to call it) can become legal.<br><br>We are not ready to get married. But I just need to know how it works out when you're in an incestuous relationship.<br><br>And on a completely separate note, how common is incest these days? It's not something you can just come out and talk about it, and I am truly curious.