Tim and Faith have been married for a forever...Lainey is in love... Tim McGraw and Faith Hill will celebrate 27 years of marriage in October. Tim jokes that "it's like 96 in showbusiness" years. So what's the secret of their long, successful marriage? Tim says, “We just made a commitment early on, when we first decided we were getting married and having kids, that we wouldn’t just walk out the door when problems arose.” Lainey Wilson is finally tapping her…