Prohibited Marriages-
Those that are already married
Relatives
Cousins (unless over 50 or sterile)
Aunt and Nephew
Uncle and Niece
Descendants (whether half, step, or adopted)
Brother and sister
Same Sex
Other Stuff-
Marriage is a fundamental Right
-can't be stopped by failure to pay child support
Common law marriages are invalid
Marriages in other states are valid unless prohibited by public policy
State of Mind-must prove that entered with knowledge
Rings-conditional presents