Faith never requires us to crucify our minds or deny our senses.
We do not determine right or wrong based on what everybody else is doing.
It's a sin to bore people.
We break our promises to one another. We break our promises to God. But God never breaks His promises to us.
God is not interested in our public displays of piety. He's not interested in religion in terms of the outward show. He's interested in godliness.
If grace is obligated it is no longer grace. The very essence of grace is that it is undeserved.