In the marriage vs We're in the marriage

Some examples from the web:

• There was an infidelity in the marriage.
• You'll only find some values in the marriage.
• A little friction in the marriage right now.
• No, just that all was not right in the marriage.
• Anytime Chip's caught being a dog, she gets a million bucks to stay in the marriage and to keep her mouth shut.
• Stress in the marriage is to be expected, given your current unemployment.
• And you want to contribute something in the marriage?
• That you would fail in the marriage also?
• They sat that it's hard to imagine why someone would have an affair if there weren't something missing in the marriage.
• She said there was tension in the marriage, that... that Bridget had some terrible illness.
• Did his need for perfection cause any problems in the marriage?
• To stay in the marriage, to... to be a good mother.
• In the marriage scene with the lawyer you let me wander back and forth like an animal in a cage.
• Stress in the marriage is to be expected, given your current unemployment.
• Yes. But I agreed to stay in the marriage because I love Chip.
• They ought to put it in the marriage ceremony.
• And who cheated in the marriage?
• A little friction in the marriage right now.
• [Chuckles] That is the gravy in the marriage pot pie.
• No, just that all was not right in the marriage.

Some examples from the web:

• We're here to celebrate the marriage of my brother to the Lady Claudia.
• I have the marriage certificate so we're protected.
• So we're here tonight to celebrate the marriage of Sandy and Kirsten Cohen.
• We're here today to celebrate The renewing of the marriage vows Of phil and claire.
• Barbara's not crazy about the marriage counselor, but we're making progress.
• Come, we're to make arrangements for the marriage.
• Ladies and gentlemen, we're gathered here today to witness the marriage of Deb and Leonard.
• First thing in the morning, we're taking out the marriage license.
• Sean admitted the marriage was in trouble.
• No deviating from the marriage playbook.
• Probably why Stiles arranged the marriage.
• Ive personally delivered the marriage contract to Commander Song.
• Bring forth the marriage or everything lost.
• When the marriage is recognized as invalid.
• You brought up the marriage contract.
• He says the marriage was never consummated.
• Katherine swore the marriage was never consummated.
• Because of inequalities within the marriage.
• There was an infidelity in the marriage.
• Her sole concern is to prevent the marriage.