My male and female white doves have lived peacefully together for 2 years. They’re been affectionate with each other and peaceful. They go thru very elaborate and prolonged mating rituals and take turns sitting on the eggs. Until now. He broke one of the eggs in her last batch and now she won’t let him near the nest. Pecks at him like she means business. He used to tolerate her grouchiness but now he’s had it. He’s determined to get in the nest and they fight like they’re trying to kill each other, holding on to each other’s throats with their bills, wrestling, batting at each other. I’ve had to separate them. Can this marriage be helped?