I think there may be something missing here.<quoted text>
Because it's written in the Bible that homosexuality is wrong?
Those passages were taken from the Old Testament, and it wasn't until the so-called "Letters of Paul" that they made their way into the New Testament. Jesus himself--according to the Gospels--never spoke of the "rightness," or "wrongness" of homosexuality.
His basic message was;
"Do unto others as you'd have them do unto you.
Love your neighbor as you'd love yourself."
Jesus preached that the Jews should follow the teachings of the prophets. He wasn't there to change the religion. He said He had come to fullfill the prophecies. That was His message. When asked what the greatest commandment was he answered''Love God with your whole heart, mind and soul and love your neighbor as yourself.'
The Golden Rule that you are talking about is in the very beginnings of many religions.
You shall not take vengeance or bear a grudge against your kinsfolk. Love your neighbor as yourself: I am the LORD.
—Leviticus 19:18, the "Great Commandment"