Tiffany Haddish hasn’t “had a drink” in six months. The 44-year-old star was charged with driving under the influence (DUI) in November, after she was found asleep in her car in the middle of an intersection in Beverly Hills, and Tiffany has now revealed that she’s totally cut alcohol out of her life since her arrest. Speaking to PEOPLE, the actress shared: “I’m very sober. I haven’t had a drink since [the incident]. “When I sit back and look at my life, everything that’s crazy that’s happened is because somebody or myself had alcohol in their system.” Tiffany admits that her “world fell apart…