Hi JD,
I'm sorry that your parents were dismissive. I hope that if or when you feel a bit more settled in your identity and want to speak to them about it that they will be supportive. If/when that time comes we can talk about it with you
In the meantime, let's look at a couple of things you've mentioned in your recent posts. First, wesley is so right that normal is a bit of a strange word, after all we are all pretty different. Even looking at a restricted group e.g. the people I went to school with, despite everything we had in common - similar backgrounds, families, education - how and when we developed into our sexual identities and what they were was so different I can't give you an answer to what's normal. And you know what? I actually think that's a good thing!
It sounds like you're processing a lot of feelings on what it would mean to you if you are ace. That's ok. One thing I would say though is that if you're not judging people for their choices, and if you do like your body and have some self-acceptance then no-one has any reason to think the kinds of things you suggested of you, and if they do then they've just shown themselves as someone you don't need to be putting a whole bunch of effort into being around.
I'm not quite sure if in your last post you were talking about hiding the ace part of yourself from your parents or from a future partner? I hope you know that if we hide a fundamental part of who we are from someone we are in a serious romantic relationship with we are opening the door for a whole lot of hurt and misunderstanding for everyone. Of course you get to decide who you talk to about this and how and when, but some secrets are not sustainable in some kinds of relationships long term.
One last thing, plenty of people on the asexual spectrum can and do engage in sexual activities at times, but that does not mean that it's compulsory. I'd be cautious about trying something just to "get it over with", but rather only do things that are wanted on some level, whether that want comes from sexual feelings or intellectual or emotional ones. Does that make sense?