"This Feb. 12, 2012 file photo shows Wiz Khalifa, left, and Amber Rose at the 54th annual Grammy Awards in Los Angeles. Khalifa says the preparation of becoming a first-time father and husband has helped put him in a more mature musical state of mind. ""I'm at a different point of my life,"" said Khalifa, whose sophomore album, ""O.N.I.F.C.,"" debuted at No. 2 on Billboard's 200 albums chart Wednesday with more than 141,000 copies sold, according to Nielsen Scan. (AP Photo/Chris Pizzello, file)"