Acquaintance rape is when you are raped by someone you know, as opposed to a total stranger. Date rape is rape in the context of a date or other would-be-romantic situation. Statutory rape is any...
Yes there is. It's when a husband forces his wife to sex when she doesn't want to. This is the law in many countries but not all. Of course it also works the other way around (wife forcing husband).
No one heals from rape, marital or otherwise. A person forced themselves upon you and took away your power to make a choice in the matter. I would get some therapy and a divorce and press charges...