i just bought a orinos peacock bass i felt bad for him.. when i seen him at the pet store he was getting picked on. badly.. so i took him home.. and now all he does.. is he sulks in the corners.. or behind.. the plants somewhere hiding hes about 5-6 inches, doesnt eat.. doesnt swim i've had him for about 2-3 days im debating to return him to the store.. if hes un happy.. what should i do? i really wannt keep this guy