Ariana Madix needed time to “fully process” her acrimonious split from Tom Sandoval. The 38-year-old star split from Tom, 40, after it emerged that he had a months-long affair with Rachel Leviss, and Ariana has now pushed back against the idea that she should’ve moved on sooner. She said on the ‘Vanderpump Rules’ reunion episode: “The only way I was ever going to get anywhere is to fully process and let myself feel it. “Last summer was really difficult, and I felt like … as much as people were coming from a place of care, I felt like I was being pushed to be further along than I was ready fo…