Hi Jet. What a complicated question, but one so relevant to today.
First, I think one way to counter this attitude of love in any expression, might be to ask what love is and what it is not. In asking that question, you bring out what lies deep within a person’s definition of love. You see how much of himself is involved. Today’s culture says, “If it feels right, do it”. That definition appeals to our base emotions or inner desires. It doesn’t seek to benefit the other, but the individual. This type of love is bound up in self. It only satisfies for the moment. But when this love, based on feelings, is put to the test, we discover its shortcomings. As soon as a wrong is incurred from the other person, the initial reaction is to do one of two things: retaliate or retreat. In my opinion, it is rare to see this type of love forgive.
I think 1 Corinthians 13 gives us something by which we can measure what true love is and what it is not. “True love” is defined as the highest love one can have. It is God’s love for man and man’s love for God. It is also love for one another. God’s love is unconditional love, as demonstrated in 1 Corinthians 13. But that doesn’t mean that God’s love is not unattainable for man, or God would not have put it in Scripture to teach us. Christ was the ultimate demonstration of love and we are to follow His example.
According to 1 Corinthians 13, Love is not:
Prideful, false, deceitful, or hypocritical. It is not jealous. It does not seek to build one’s self up; is not arrogant. Love does not act unbecomingly or dishonorably; does not seek its own good (selfish); love isn’t angered easily nor keeps a record of another’s wrongs. Love doesn’t delight in evil or injustice.
Patient, longsuffering, perseverant. Love serves others. Love rejoices in truth—not just spoken truth, but truth in all revealed spheres of reality, morality, divine truth. Love always protects and guards closely; love has faith in and trusts; love is hopeful and expectant. Love stands fast.
This love is true emotion, so much so that it sacrificed itself for the sake of regaining the love that was lost in the garden.
Seeing what the nature of true love is and what it is not, we need to ask if that is what the culture means when it says, “If it feels right, do it.” It actually is superficial compared to Corinthians.
Second, I would also ask if one considers one’s self moral. An atheist might deny the existence of morality. Yet, if he or she is wronged, what is the response? My point is, like it or not, agree or not, humans have been created to be the image of God. That does not necessarily mean God’s physical form, but His nature. He has instilled that nature within us. So that we will know what His morality is, He has told us throughout Scripture. He has specifically told us what sexual immorality is in all its forms. They include sex between people of the same sex; sex outside the bounds of marriage; sex that is a perversion…the forms of sex that are expressed in your question. So, if one considers himself moral, that morality is from God and he can’t agree that today’s culture is moral when it allows sex freely in any form.
I hope I’ve given you some perspectives into ways you can respond to today’s cultural definition of love.