What 5th Commandment forbids

Q65 What is forbidden in the fifth commandment?
The fifth commandment forbiddeth the neglecting of, or doing anything against, the honour and duty which belongeth to every one in their several places and relations.

Q66 What is the reason annexed to the fifth commandment?
The reason annexed to the fifth commandment, is a promise of long life and prosperity (as far as it shall serve for God's glory and their own good) to all such as keep this commandment.