The hardest thing in life to learn is which bridge to cross and which to burn.
Life to me is a journey - you never know what may be your next destination.
We live in a Newtonian world of Einsteinian physics ruled by Frankenstein logic.
If the price is very cheap then it's almost certainly a fake.
If you have a piece by Bach, he often develops the piece to such a high level that you can hardly do much more to it. But Saint-Luc wrote very simple baroque music, and so if you do not embellish it, it just falls apart. It's way too simple.