We cannot understand the heart of the matter unless we recognize that the homosexual marriage advocates are not really interested in marriage. They want freedom to do what they want to do and they are using the word “marriage” to hide their motive. In reality, they only want to legitimize unbridled impulses disguised as “sexual preferences.”

They don't care about faithfulness. They don't care about morality. They really do not care about monogamous marriage. All they want is any and every form of immorality they feel like committing. It's about sexual preference for absolutely anything.

The problem with definitions

Definitions are constraining and that’s the problem. Changing the definition of marriage is helpful to homosexuals because it opens the door for every manner of sexual promiscuity.

Destruction of boundaries

When you alter the biblical definition of marriage you destroy all relational boundaries. This is what the homosexual lobby is looking for. No boundaries. In the Biblical definition of marriage, God there are boundaries.

The obstacle of biblical boundaries

In the biblical scheme, marriage and sexual relationships have boundaries There are two ways that these boundaries are established.

First, there are relational boundaries communicated in various places in the Bible. Second, the very nature of marriage as a covenant fixes boundaries. It is a covenant that keeps a marriage together and sustains it. Without the boundary lines of commands and a covenant, then people can do whatever they want to do.

The Bible communicates these boundary lines and covenantal protections in many places such as Gen. 2:24; Ex. 20:14; Lev. 18; Matt. 5:28; Rom. 1:16-18; Rom. 1:24-27; 1 Cor. 6:9-11; 1 Cor. 6:18; Gal. 5:18-21; Col. 3:5; 1 Thess. 4:3; 1 Tim. 1:10; Heb. 13:4; 1 Pet. 2:11; Jude 1:7.

Homosexuals care very little about preserving relational ties through faithfulness. They do not like boundaries and that is why they do not like covenants.

Covenants preserve relationships. Sexual preferences do not.

The attacks against marriage, are about attacking biblical morality.

But even more important than biblical morality, the homosexual proposition attacks the message of the gospel itself. The good news of Jesus Christ, is that a husband (a male) rescues a bride and marries her (a female) and the two become one. The marriage of a man and a woman, is the earthly representation of Christ and His Church (Genesis 2:23-24; Matthew 19:4-6; Mark 10:6-8; Ephesians 5:22-33). This is how we can also say, the gay marriage debate is not really about marriage. It is about the rejection of the gospel itself.