Russian orthodox dating rules
By popular demand, Ortho presents an English translation (slightly adapted) of Fr.Pavel Gumerov's answer to the question: "How can you explain to a young man or woman that sexual relations before marriage are a sin?The best advice I can give you is to not worry about it.
If married life is your calling, I'm sure you will find him. I had a similar situation recently, and have had it happen in the past before as well.
Not that I'm absolutely against it, but I've met someone for the first time in my life that I want to live life with, following the One.