“i’m so anti being in a committed relationship when you’re young and people are learning and growing, because when people are young they make bad decisions sometimes because they don’t know any better,” the 20-year-old actress said. “it doesn’t mean they don’t know the difference between right and wrong, it just means that they’re still in the experimental phase in their life where they haven’t made the right decisions yet.” the spider-man: homecoming star admitted that she had been cheated …