Hubby is also an apha outside of the bedroom. From work to home to parenting to the rest of vanilla life he is in charge and I wouldn't want it any other way. I feel safe and taking care of.
In the bedroom he craves the loss of power and it allows me complete freedom. It's like I get the best of both worlds.
I think what helps him be such a good cuckold is that alpha personality. It gives him the confidence to be able to see me with other guys and be humiliated without and real issue.