[observer]

It's not just YOUR dogs that need to have health certifications from OFA and otherwise show that they are worthy of being bred. Since the pups came from BYBs, I'm betting that their parents and grandparents don't have OFA certs or conformation or working titles. If they don't, then you have no idea what you are actually breeding. You need to know more than just the status of the dogs you have, but their ancestors, as well.

Leave the breeding to the experts who really care about doing it right and bettering the breed. The cycle of BYBs needs to be ended, not perpetuated by breeding BYB pups to each other.

It's good that the pups seem to be bonded to you and not to each other... keep that up, with training and exercise, every day. Spay and neuter these two, and enjoy them... take them in obedience or some other working activity. They will be happy with "jobs" and you will not be adding to a problem we are already dealing with too much.