Obeying Master Cross
That's the biggest bullshit the Omegas didn't deserve to have.
Yet some would think that being an Omega is the most powerful thing in the world, that it is also because of our Heat.
The Heat only happens to an Omega being who reached his full maturity. Meaning to say, he is ready to mate. He will continue to have it like menstruation to Beta women; but instead of monthly, the Heat often comes unexpectedly. Just like a queen bee releasing its pheromones for its bees to know that they belong to her, an Omega releases his own pheromones that attract the Alphas. A strong scent that can drive anyone, even the Betas, crazy.