Gary Shirley wants to do what’s best for his daughter. The Thursday, March 13 episode of Teen Mom: The Next Chapter saw the dutiful dad visiting an attorney’s office to find out the legal options for having his wife, Kristina Shirley, adopt his 16-year-old daughter, Leah. Gary shares Leah with ex Amber Portwood, telling the attorney that Amber, 34, is “not involved.”
