If I was calling her a whore and telling her she was going to hell, you might have a point above.

There is no justifiable reason to be cheating on your husband.

If she wants to have sex with someone else, she should break all ties with him. Not doing so, IMHO makes her a whore.

whore __ _P___Pronunciation Key__(h�r, hr)
n.
A prostitute.

A person considered sexually promiscuous.

A person considered as having compromised principles for personal gain.