My FRiend, it seems you have completely bought into the Post-Modern lie that your truth is your truth and my truth is my truth. It is not about opinion but the everlasting Truth of God. His moral law is a rock that is unalterable and transcendent. Yes, of course we should love our homosexual neighbor with an attitude of servanthood but the best way to love our homosexual neighbor is to reveal to them God's immutable moral law that will save them from everlasting damnation and also to care for them when they are sick and dying from the temporal curses that accompany a corrupted moral lifestyle.
It is not really too surprising that homosexuals want to pretend they are married. All humans long for shalom, that sense of universal flourishing, wholeness, and delight, but the imaga Dei was corrupted at the fall and the result is that ever since then humans have exchanged the truth of God for a lie.
The real tragedy is that Christians have allowed the State to define marriage. Marriage is a holy union and as Christians the meaning and purpose can only rightly be seen through scripture. The State cannot define my marriage because I have only one King that defines marriage for me, and his name is Jesus.
We all the right to free association under the Constitution and however people want to form those associations is a matter of liberty. If two homosexual persons want to enter into a contract with each other they should have the liberty to do so. But that is not what is known as Christian marriage. Because I do not allow the State to define marriage, and because marriage represents our relationship to Christ, only the Church can properly sanctify a union which is between one man and one woman.
My FRiend, you need to put away the contemporary Baal and worship God only. God does not tolerate other gods beside him. Let us clearly understand the antithesis between our God and the gods of this world. Not one dot or tittle has passed away from God's moral law and the best way to love our homosexual neighbor is inform him of this fact and tell him he must repent of his evil behaviours.