Yes, heteros have to be very careful. They can slide into a life of homosexuality just like [snap] that! Why, I’ve known, well, zero, who have done just that.
I have know plenty of them. They are called bisexuals. As a matter of fact, there are more bisexuals than homosexuals.
Take prison for another example
despite your sarcasm, it happens. Ted Haggard was one who fell from heterosexuality.