Scotty McCreery wants his wife to write with him...Blake and Gwen bought a house a together... Scotty McCreery is not only a great singer, but he is also a successful songwriter. He co-wrote his hits "Five More Minutes" and "This Is It," as well as his latest, "In Between," which is in the Top 10 on Billboard's Country Airplay chart. Now, Scotty is trying to get his wife, Gabi, to pick up a pen and join him. He said, "If you…