Same thing as the rich young ruler
And Jesus said “ with man impossible, but with God all things are possible
Same thing as the folks in John 6. And Jesus said no one is able to come unless the Father draws them
Inability based on love of sin and unwillingness to come.
If I really love my wife and children, I am unable to leave them. It doesnt mean it’s physically impossible, it means it is morally impossible and unthinkable, as long as my love is true and real.
Some things are impossible because it is not in our nature. But if something happens to affect that....