The reason so many males are afraid to handle that ego conflict is the social stigma that a non-alpha male, or a beta, is somehow of less value than an alpha.
That is just a part of the wider picture for couples that do this — I accept that humiliation is what some men seek but you must equally accept that not all of us seek the same.
And she will comment on my erection, or the stage of my potential, but, partial erection; seeing this process, I always have at least a partial erection.