Instagram megastar Mario McKnight has spoken of the "struggles" he faced as a youngster at school in the 1990s.The popular Paisley ‘cleanfluencer’ told followers last night about the bullying and harrowing experiences which put him off his studies.The 36-year-old, who grew up in Ardrossan, revealed he had no interest in academics as a result of what he went through - but he feels like it “toughened” him up to be the person he is today.He said: “I wasn’t that academic, I had no interest in