He's always known that he was different to the rest of his class. At least, he's pretty sure that none of the other kids could have heard Miss Williams thinking about the test results during that exam. And he's pretty sure that they would never have lied their way through the playground conversations over which girls they were interested in, if they'd all been able to see the truth like he had.
It wasn't until 5th grade that he realised that what he had could never be considered a gift. It was difficult trying to keep track of what had been said out loud, and what was an internal monologue, especially when he wasn't facing the speaker. Unfortunately, this lead to him telling his best friend Steve that he should tell Mr Dawson about what his father does, before realising that he should never have known what Steve had been thinking. Needless to say, that friendship didn't survive terribly long afterwards, but at least Steve kept his secret safe.
He sometimes hears his father talking about the growing mutant problem in the States, and about how they wouldn't stop until they had complete control over the country, starting with tearing apart families. That's when he knows that telling anyone is out of the question. He's read the stories online about what sometimes happens to mutants – being kicked out of the houses, being used in research to find a cure... and he knows that if his father finds out, he won't be one of the lucky ones who gets accepted and even becomes a better part of the family after revealing their powers.
Sometimes, he wants nothing more than to be able to control this power. He doesn't want to hear the silent screaming of the missionaries as they once again have a hell dream – it keeps him awake more than his own hell dreams. He doesn't want to feel the terror of the villagers when it comes to the General, and he certainly doesn't want to continuously see Disneyworld whenever Elder Price was nearby (apparently, some people project their thoughts a lot more than others do). If it had an off-switch, maybe he'd be better at actually leading the other Elders, instead of trying to avoid telling them that he knew each of their darkest secrets.
However, he finds it difficult to resent the power when it saved his life. If the would-be assailant hadn't such a one-track mind, he's pretty sure that his first month in Uganda might have been his last. Elder Thomas put it down to Heavenly Father protecting him (maybe that was true, if he could believe that people like him were just born that way), which did stop any more awkward questions.
Each day, it was getting more and more difficult to keep track of whether Elder Church had actually said that his dad was going to beat him, or if he had kept that to himself, whether Elder Cunningham was imagining things, or remembering things that he had actually done. He just wishes that he could keep up with his mind, for even just one day. On a bad day, he thinks to himself that any cure has to be better than trying to keep this under control.
In fact, he'd probably give anything just to feel less alone.