Cuckolded males are often basically sexually submissive individuals, however, I continue to see the implications made that cuckolds are bi-sexual in nature, and ultimately desire sex from other males. This simply isn't true. Although some bi-sexual males desire cuckolded arrangements to fulfill their homosexual side, for the most part, cuckolded men are not bi-sexual in nature, and in fact often do not desire a sexual relationship with other men at all. They do prefer a dominate female partner, however.
Here's a very well written explanation of "sexual submissiveness" ... for both males & females, actually.