I have one adept parent that will only mate with one of my adept farmers... I didn't think that he will ever become a master because my adept parent is a female over 50, so right after they come out of the shack, they embrace again and go back in.... it's prety funny. I even picked him up and put him up by the gong and she still ran up to him. I finally switched her preference over to research and that seems to keep the embracing down to once in a while!