If you wish to receive a legal standpoint then you should contact an attorney.
Legally, in the UK, all mail is private for the person to whom it is addressed. But I guess that between husband and wife it's a matter for domestic agreement, or disagreement, as the case may be!
Avoiding her in public and avoiding her husband in private.
The cast of Her Private Husband - 1920 includes: Chester Conklin Alice Davenport
Hire a private detective.
Anyone can.
Anyone can.
Not usually....unless it's someone else's husband.
Yes, both husband and wife can see the private parts of the other. This should per pleasure and acceptance of both husband and wife. see the related question at the page bottom for more information.
Yes they can.
yes. it doesn't even have to be in private.
On the bathroom floor during orgasm.
No he should let her touck the dick and he should lick the pussy