I am a progressive Christian. I did not choose this, like selecting which kind of ice cream my wife is most in the mood for (as long as it has chocolate but no nuts, I am probably safe). It is probably more accurate to say I grew into it.
I have always been a follower of Jesus. I suspect I always will be. But the way I understand the nature of that “following” has evolved.
In short, I am a progressive Christian because of Love. I think you can also have Love and not come to think as I have. But I think that Love has been the driving force behind every “progressive shift” in my spirituality. Six examples come to mind: