I Have A Friend Who Likes ...
California
Colorado
Connecticut
Delaware

Georgia
Hawaii
Iowa
Kansas

Kentucky
Louisiana
Maine
Maryland

Pennsylvania
Vermont
Virginia
But Dislikes ...
Alaska
Arizona
Arkansas
Florida

Idaho
Illinois
Indiana
Massachusetts

Michigan
Minnesota
Mississippi
Missouri

Montana
Texas
Wyoming

Can you figure out why my friend likes certain states and not others?
There are no other states that he likes except the fifteen on the list above!