I used the think the same about myself until I started talking to a therapist. While I share some symptoms of autism, I always felt that I was the opposite. Hypersensitive and empathic and whatnot.
But after a long diagnostic process combined with reading up on autism and in particular about the Intense World theory ([quick introduction][1], I became pretty convinced that 1) autism is hella complicated and still not well understood, and 2) it may well be that autism, or at least a subtype of autism we might one day discern, is the opposite of how we commonly think of it. It's not a blindness to emotions or inability to empathize that is autism, rather it's (too) high sensitivity expressed poorly, especially in men with autism. Like wearing night-vision goggles on a bright day.
And the thing is, not only is this much more fitting to how autists tend to self-report their experiences (which is thankfully something that is finally listened to), but there's existing and growing evidence too.
For example, a significant portion of autists score as high or higher on 'affective empathy'. It's the interpretation where they go wrong (cognitive empathy). Or when it comes to eye contact, it's not so much that autists lack the social skills or mirroring ability to understand that this is important, but rather that it's too intense. Mind, I'm not saying all autists are like this, but this is how I would describe it when it comes to my issues with eye contact, and almost every autist I know or have read about says the same (including some who are rather far on the spectrum).
Anyways, the important thing is that you function and are happy. If that's the case, I'd say the diagnosis of autism isn't necessarily beneficial. It can even be detrimental.
I'm reminded of the vulcans in Star Trek. I remember I wanted to be like them because my emotions were becoming too much for me. And only afterwards I watched the episode where their 'true' nature is revealed...
[1]:https://www.psychologytoday.com/blog/feeling-too-much/201407...