[visualops]

Not true.
Fair use is not part of the law, it's used as a defense against an accusation of infringement.
Also, saying a spouse "owns all the things you own" is also a fallacy.

[discostu]

I didn't say "fair use" was a part of the law, I said it was legal.

For purposes of copyright your spouse owns all of the things you own. Not a fallacy.