Yes, Jesus was talking about the 10 Commandments given to Moses from God. The Pharisees at the time had bastardized the laws, Jesus meant to keep them as they were.
Yes. I've mentioned that on other threads. I've even advised HL to use that knowledge in her favor if a Christard tried to use it against her homosexuality.
I'm not sure what God thinks of homos, but I do know that He wants sex to remain within (and only within) a marriage.
Another Reader of the Mind of God.