If votes could be updated until the polls close, wouldn't that resolve the issue? You could simply vote in front of your husband/partner/group and change it lat

If votes could be updated until the polls close, wouldn't that resolve the issue? You could simply vote in front of your husband/partner/group and change it later when you're in private. This would rely on having is no method to determine how your vote has been cast, before or after the election. But this should be a feature of any online voting system.