Someone who identifies as bisexual will experience sexual attraction to the genders male and female, possibly having a preferred gender or feeling equal attraction to both.

Someone identifying as bisexual can feel sexual attraction towards men or women, and are no less valid if dating a person of the opposite gender.

A bisexual woman who dates a man, regardless of his sexuality, is still bisexual.

A bisexual man who dates a women, regardless of her sexuality, is still bisexual.