I think it all comes down to one's understanding of sin, and one's relationship to God through Christ.
Having been married before for 7 years, and in my second marriage for 23 years, I went through all those verses about divorce and remarriage. To be honest I don't think they helped me very much! Especially as Christians have a relationship with God through Christ, (Grace) rather than a rule book (the Law.)
So my view is a subjective one, rather than a scripturally evidenced one. Although I do believe in scripture, I think one has one has to take account of who is speaking to whom and in what context.
My second wife and I were married in a Registry Office in the UK, and as a "messed up" born again Christian, I spent twenty years in the spiritual wilderness until about three years ago when I made the decision to seek the Lord again and we joined a church, and have gone on from there. Our vicar knows our background, and I have felt no need to have our union blessed in church because my deep conviction is that God knows our hearts ~ end of.
I base that on 1 John 3:21-22 (KJV)
21 Beloved, if our heart condemn us not, then have we confidence toward God.22 And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing in his sight.
Also if the Holy Spirit dwells within us He will bring forth fruit..
John 15:2 (KJV)
2 Every branch in me that beareth not fruit he taketh away: and every branch that beareth fruit, he purgeth it, that it may bring forth more fruit.
So are we contextualising or reinterpreting Scripture? Possibly, but ultimately it is God who will examine the intents of our heart, not man.
Re homosexuality, again a very difficult subject. The condemnation of homosexual practices are really quite clear from the Bible, but what about a Christian homosexual?
I came to the conclusion years ago that some people are born homosexual. Some knew from a very early age that they were "different" and attracted to their own sex rather than the opposite sex.
Did God make them gay?
Well if you believe that each person is born as God wants them, then one would have to say yes.
I don't believe that. I believe that God created everything and it was all corrupted by Adam's sin. Genetic and gender abnormalities are a part of our fallen world. I don't think we can condemn a Christian man or woman because they are gay, but it goes back to the "fruit of the Spirit" thing: if we are truly followers of Jesus Christ, there will be repentance, there will be fruit ~
2 Corinthians 5:17
"Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new."
The church universal should welcome and love anyone who professes faith in our Lord Jesus.
What about the need for a loving, lasting relationship?
My belief is that any single Christian person should stay celibate; but what if the homosexual Christian single finds another Christian homosexuaL? Perhaps they should bring it to the church leaders and seek their guidance.
Perhaps it is a matter for the Body of Christ to decide on. Perhaps the fellowship might say that providing there is no promiscuity, no resorting to male to male sex (which definitely is condemned) no attempts to corrupt others, then before the God we all have to answer to, as the Body of Christ we might sanction such a relationship.
My thoughts are based on my belief in a Holy and Compassionate God, who providing we truly repent of our sins, grants us salvation through the precious blood of Christ Jesus. Whatever the Scriptures say, how can we condemn a man or woman born homosexual? That doesn't make sense. Or if we believe God created them homosexual, then how can He condemn them?
For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
But I don't see that a heterosexual or a homosexual has the liberty to indulge in fleshly lusts (and some heterosexuals can be pretty depraved!) as a Christian.