The idea that the primary difference between the saved and the unsaved is that the saved are 'sorry' for their continual sinning is rather lame - where is the power to deliver in such a belief ? Not that I have experienced a perfect walk with God to this point - but to accept sin as 'unavoidable' and to therefore (pretty much) be 'expected', sounds like - as 'believers' we're not actually saved from sin or delivered from the power of Satan, but still fail miserably...only we're sorry about it.
That's not deliverance, that's a watered down form of repentance. Godly sorrow leads to repentance...but it is not repentance itself.
Our falling away from the original meaning is seen in modern dictionaries where repentance is defined as feeling sorry for sin or wrongdoing.
But the root meaning of repentance is to 'think differently' to have a 'changed mind' - so we no longer then therefore think, speak, or act the same as before.
Whenever / wherever we think, speak, and / or act like 'the old man' rather than the 'new' such is evidence of unrepentance...and possibly the worst thing anyone can do (in such a state) is to rationalize it away, so that it can seem to be acceptable...closely followed by (basically just as bad) is to give up completely - because living right doesn't come easy.
Fight, fight, fight we have to fight against both these extremes - for both of them lead no where near to The Kingdom of Heaven / Kingdom of Overcomers.
He that overcometh, the same shall be clothed in white raiment; and I will not blot out his name out of the book of life, but I will confess his name before my Father, and before his angels. <---> Revelation 3:5
And May The Lord Be Pleased !