The Penal Code of Singapore, in Section 377a, provides for a jail sentence for up to two years should a man be found to have committed an act of "gross indecency" with another man.
Do you really want to see friends you know and love thrown in jail for what they do in their bedrooms? What people do in private is no one's business, save their own.
Everyone has the freedom to love. They should have the right too.