Gay teenagers Know or Suspect by the time they are 13

It is important that gay characters show up in modern literature for kids because kids themselves are aware of sexuality and recent research supports what many already were saying: Most kids know they are gay or are questioning their sexuality by the time they enter the teenage years. Unfortunately, the research also shows what a difficult time kids have: http://www.independent.co.uk/life-style/health-and-families/health-news/mental-health-crisis-looms-for-gay-teenagers-9053688.html