You can always ask. In fact there's a stream meant for such questions:
imgflip.com/m/LGBTQ_too
As for the ace spectrum, some people (like me) are asexual with no sexual attraction at all. Some are demisexual, attracted to a specific person after trust is established. Some are graysexual, with attraction that's just less than other people. This is a generalization though; for more information: https://www.asexuality.org/
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