A change of plans. Khloé Kardashian and ex-boyfriend Tristan Thompson were thinking about their “long-term future” when they decided to have a second child — but plans changed when she learned about his paternity scandal.
“Khloé is doing her level best to stay positive, but this is a bittersweet time for her, no doubt about that,” a source exclusively reveals in the latest issue of Us Weekly. “She and Tristan went into this journey at a time when they were still very…