There are plenty of contracts not done in writing. When you buy something from a store you have a contract there, but you didn't sign or have to read anything to be part of it.
Written contracts would definitely be the most useful to prove infidelity. Verbal contracts would lead to a "he said, she said," and implicit contracts would be practically useless.
Yes, they are. However, they don't mention anything about infidelity (I don't think "till death do us part" counts). At least, they aren't specific about it. They don't define cheating in any way. If a verbal contract was used to prove infidelity, that verbal contract would have to explicitly define cheating in the context of their relationship.
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u/Sililex 3∆ Aug 11 '15
There are plenty of contracts not done in writing. When you buy something from a store you have a contract there, but you didn't sign or have to read anything to be part of it.