God loves us all, including this 12-year-old girl. Just because we feel that something we do is good, that does not make it so. God does not judge people on the grounds of something that we have no control over. In the book of Romans, God makes it clear that homosexuality is wrong.
Romans 1:18-27 18"For the wrath of God is revealed from Heaven against all ungodliness and unrighteousness of men, who suppress the truth in unrighteousness,19 because what may be known of God is manifest in them, for God has shown it unto them.20 For since the creation of the world His invisible attributes are clearly seen, being understood by the things that are made, even His eternal power and Godhead, so that they are without excuse, 21 because, although they knew God, they did not glorify Him as God, nor were thankful, but became futile in their thoughts, and their foolish hearts were darkened. 22 Professing to be wise, they became fools,23 and changed the glory of the incorruptible God into an image made like a corruptible man - and birds and four-footed animals and creeping things."
24 "Therefore God also gave them up to uncleanness, in the lusts of their hearts, to dishonor their bodies among themselves, 25 who exchanged the truth of God for the lie, and worshipped and served the creature rather than the Creator, who is blessed forever. Amen."
26 "For this reason God gave them up to vile passions. For even their women exchanged the natural use for what is against nature. 27 Likewise also the men, leaving the natural use of the woman, burned in their lust for one another, men with men committing what is shameful, and receiving in themselves the penalty of their error which was due."
I have a daughter who is a lesbian. I will always love her. I pray that God will show her the error of her ways and that she will confess and forsake that sin.
Bible text is from the New King James Bible