There are no laws about dating. You may be subject to laws regarding sexual activity, which in most states would be okay, but some have older laws. Make sure you know what they are!
No.
Yeah, it is perfectly legal as you are 16 and have parental consent.
Yes, as long as there is parental consent.
Yes, with parental permission.
No, you need parental consent if either person is under the age of 18.
No. Missouri requires that you be 18 to marry without parental consent.
Yes, if he has parental consent.
Yes.
Yes if he has parental consent.
Yes.
Yes, with parental consent.
Anywhere. Just go and apply for a marriage license with the proper proof of parental consent.