Kendall Jenner has been in “enough toxic relationships”. The 26-year-old model – who is dating basketball player Devin Booker and has previously been romantically linked to the likes of Harry Styles, Nick Jonas, A$AP Rocky, Blake Griffin and Ben Simmons – explained she “shut off” after getting into a huge fight with Scott Disick about his lack of invitation to her birthday celebrations and family Thanksgiving arrangements because she didn’t want to be part of anything negative because of her past. On this week’s episode of ‘The Kardashians’, Kendall called her half-sisters, Khloe and Kourtney …