Ignore Sam.
Tell your friend to ask her lawyer his advice about the wedding. It's a tough call, but I would not let the husband move back in just for the wedding. It's his bed let him lay in it.
Their both lying.
Right now you've got her truth, his truth and somewhere in the middle lies the real truth.
She might not be the bestest friend a person could have.....but you don't have Mr. Perfect either.
Keep your eyes open from here on in. This will come up again with a different woman down the road.
Who are you to decide she would be better off knowing "the truth"? Why is it your business anyway?
He sounds like a sleazeball - the truth will come out without any help from you. Leave it alone.
spondylosis is the same thing as degenerative disc disease