What Scott Disick really thinks about Kourtney Kardashian's rift with son Mason - as insiders reveal what sparked 'deep divide' between reality star and her eldest child

Scott, 41, called son Mason, 14, his 'best friend 4 life' while the two headed back from vacation on a private jet after it was just revealed that the teen 'refused' to go on vacation with mom Kourtney, 45.