To a greater or lesser degree, we are addictive. Our bodies have systems that will crave for substances that they are used to, and we can lean heavily on patterns of behaviour we find comforting. These instincts are important, but as with all things, without moderation, they are likely to enslave us.
I guess it is fair to say that we have boundaries, conscious or subconscious, and experience teaches us to honour those boundaries.
When we go too far, there is a sense of trespass, which we either heed or ignore.
Lent (and new year) is a time when we use the fact that others, like us, feel the need to re-draw a boundary, and make a great effort to do that. Having people cheering you on (as in the Hebrew cloud of witnesses) (real or virtual) is amazingly successful. Your body retunes, and you wonder why it needed so much effort to achieve what is now normal.
Jesus reserves the right to cure us of such addictions instantly. The Advertising Standards Agency may not like us pointing that out, but it is nontheless fact.
More significantly, though less obvious outwardly, is the fact that Jesus cures sin. Selfishness. He doesn’t take away our ability to trespass, but he does change our attitude completely. Sets us free. That is what Paul was explaining in romans 5 and 6 and 7. He is free from sin, but continues to have the same tendencies, but is no longer enslaved to them. Roman 8.
The paralysed man brought to Jesus by his friends, and lowered through the roof, would have had no difficulty showing his physical healing. On that occasion, though, Jesus did it so that the on-lookers, particularly the sceptics, had evidence that Jesus forgave the man’s sins, which they were scoffing at. His friends would, I suggest, have had no difficulty seeing he was also a changed man. The same, but completely different.
It is a bit of a dilemma, living out a faulty life, while knowing grace, and sins forgiven.
In the world, but within the boundaries of Jesus’ kingdom.