Omega: Typically an Omega goes into heat, which can be at random, spurred by an Alpha, or at regular intervals but when in heat, their need for sex controls them. Once they are mated to one person then it is for life. Bonds between an Omega and Alpha are considered special and unbreakable.

Alpha: an Alpha will mark an Omega by biting them to mark ownership and "mix scents." Again, regardless of gender, Alphas impregnate Omegas via a phallic external gland referred to as a "knot.."