FFBT- from the information I’ve gathered about your parents from your others thread, it seems to me that this isn’t an issue of “controlling” rather it is an issue of miscommunication. Your parents have a different hashkafa from you- in her mind the way they raised you is correct. Seeing that you have different ideas is probably offensive to them. Is that to say you shouldn’t have those ideas? Chad veshalom. Everyone must find their right path and you should be matzliach in your continued growth. Your parents will always be your parents and your the lucky type that has parents who actually want to be involved.
You have to know this doesn’t change over night and this is going to be a challenge for you for the rest of your life (a great and blessed challenge). It is a learning process. My best advice is to show your parents you are understanding of their view point. Always start off your difficult conversations by showing them that you care about the way they are, and then explain to them why you are saying what you are saying. You must be very well thought through as well.
Ex: if this is an issue about the type of boy you want to marry or the lifestyle you want to lead. Show them h things you still do- show them your still you in your essence, but your hashkafa has evolved. This isn’t about proving them wrong this is about proving you right. It is about showing them Yor serious about your life choices while showing you are mature and well thought out.
I can tell you from experiance as my parents are also more left wing and modern than I am. And trust me we butt heads a lot. But we’ve really grown with each other. Seminary defiantly helped answer a lot of questions for me, but really it’s just putting yourself in their shoes and saying would I want o hear my daughter choosing all these things we didn’t raise her to do? Yes on their part they must realize their children are gifts from hashem and not clones of them. On the other hand- you are their child they put all their time and effort into you, they just want to see you happy, but respectful and well thought out.