"Pope Francis spoke yesterday at a pastoral congress on the family for the Diocese of Rome, and his remarks are causing consternation among faithful Catholics. In off-the-cuff remarks, the pope made the dual claim that the “great majority” of Catholic marriages are “null” – in other words, not actual marriages – and that some cohabitating couples are in a “real marriage,” receiving the grace of the 
“I’ve seen a lot of fidelity in these cohabitations, and I am sure that this is a real marriage, they have the grace of a real marriage because of their fidelity,” he said." LifeSiteNews
God has another name for it----FORNICATION
I wrote unto you in an epistle not to company with fornicators:
1 Corinthians 5:9