Olivia Colman thinks she’d be a “mess” if she used social media. The ‘Crown’ actress steers clear of apps such as X and Instagram because she knows how upsetting she would find it if she read something negative about herself. She told My Weekly magazine: “I don’t do it because I think it would make me cry. “I’d be devastated by someone being horrible. “I think I’d be a mess if I had to deal with comments or negativity. “I’m better off not being on it. It’s just not for me. “I think I’m happier without it. “I like my privacy.” Despite her career success, the 50-year-old star – who has two sons,…