Source
http://topics.nytimes.com/top/reference/timestopics/subjects/s/same_sex_marriage/index.html?scp=1&sq=10th%20amendment&st=cse
From the Constitution
Tenth Amendment- The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people.
Connecting to the Constitution
Personally, I don't see a problem with gay/lesbian marriage because they're people just like the rest of us. I feel as if they shouldn't be denied what should be their right. I also don't think it's right for them to have to stay in a specified place for them to be considered married. If they have a valid marriage license for one state then it should apply for all.