Oh gosh, us parents live in dread of having to answer embarrassing questions like that! I did my best to be truthful but without descriptions beyond what was appropriate for their age.
I don't really have memories of the awkward questions I asked my own parents, or all the awkward ones my kids asked me.
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Mom to an amazing young adult AS son, plus an also amazing non-AS daughter. Most likely part of the "Broader Autism Phenotype" (some traits).