I have 4 Bolivian males, 1 female and 3 males.. The past couple days one of my males decided that the blood worms are ONLY his. Anytime any of the other 3 come close, he pushes them away or tries to do that 'kissing' mouth thing they do. What should I do? All 4 of my rams are extremely healthy and look great color wise but this one ram is definitely the 'tank king'