Marriage x Gender = Equality

1.Title
   Marriage x Gender = Equality
2.Motivation
   Recently there's a news about millions of people gathered in France to protest against   homosexual marriage. We know that homosexual marriage has no affect to heterosexuality' lives, but heterosexualities are still against homosexual marriage. Why?
3.Questions
   (1) What's your opinions about  homosexual marriage? Why? (Reasons are departed into heterosexuality' angle and homosexuality's angle)
   (2) How will homosexual marriage affect your life? (based on  heterosexuality)
   (3) What's homosexuality's opinion about marriage? (based on homosexuality)
   (4) If homosexual marriage ends up legal, do you think  homosexual marriage will affect family    and society structure? why or why not?
   (5) How will you make your perspective and opinion to be heard in the blackflow of the society?