Why should Catholics be thus burdened?

The Catholic Answers

Religion is a debt to God. We Catholics pay this debt regardless of our own comfort and pleasure. We do not pay earthly debts when it gives us pleasure, and refuse to pay them when it displeases us. It is a matter of honesty and justice.

Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty