February 10, 2012 3:16 pm Faith Hill and Tim McGraw Test Their Marriage IQ Faith Hill and Tim McGraw have been married for 15 years, but how well do they really know each other? Faith and Tim’s marriage IQ is tested in a hilarious Couples Uncensored. US & World Videos 1:04 Hunter Biden plans to sue Fox News 1:17 Student loan forgiveness: Deadline to consolidate loans is April 30 0:59 Runaway zebras corralled in Washington state; one still missing 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South