How does culture affect the development of sexual orientation?

In many cultures, sexual orientation has very strict rules or expectations to follow. People in strict cultures, who are against "homosexuals" and what not, will most likely stay straight because they want to feel accepted and not be judged or critisezed or in some cases even harmed because of their different sexual orientation. So basically their sexual orientation depends on the opinions of others in their culture.

Every culture has different beliefs and this affects how they see others

This would be a example of a "i want to be single person"