"Marital vows" refers to the promises or commitments that two people make to each other when they get married. It is a way of expressing their love, loyalty, and dedication to their spouse. Full definition
Irreconcilable differences or a clear violation of marital vows might be seen as circumstances that a marriage can not survive. (divorcesource.com)
Claim 4: «If two people claimed they had exchanged marital vows — even out alone by the haystack — the Catholic Church accepted that they were validly married.» (firstthings.com)
It begins in most families with marital vows to be loving, loyal, and consistent. (thespruce.com)