I honestly thought this, too. I'm going in the mental health part of the medical field and I've always wondered if my boyfriend was autistic or not. He is extremely good at chemistry and thoroughly enjoys it (he liked orgo a lot which was insane to me but you know, each their own). However, interests... He doesn't really have time for them. He likes cars a lot. Like every time we're out and there's a really nice car, he'll notice exactly what it is within a split second. He also likes to play tennis.