Hello there! I have a male cockatiel named puku, i have been raising him since he was a child. Now he is 1.5 years old. There was a great bond between us. But for i had made a mistake. I thought of his loneliness and brought him a female cockatiel when he was around 2-3 months old, as i had to stay out for 4-5 hours outside. When he grew older,(during 1.5 age) he started mating with her and laid and an egg with her.(they didnt laid more than 1or 2 eggs)Puku started finding dark places around the corners. He even got into my bookself and teared my books into pieceswhen i stopped him from doing that he bit me. And thats what kept happening regularly.so, i noticed that he developed a fear on my hand for all of these. So i took advice from other people, they told me to give them a breeding box, which will make make them less aggressive. After giving them breeding box, Puku became so aggressive and territorial..... And i knew i made a grave mistake. Im afraid that he is no longer a tame bird. I need you guys advices about this. What should i do now? How can i make him tame again? I dont want to sell him, he is becoming annoying. He is staying in his cage all the day and never want to come out from this cage . I just want that old Puku again, those sweet memories with him. I still remember. That lil puku used to sleep at on my lap