Parents unsupportive of dating?

My parents are old fashioned and don't believe in modern dating. I respect their opinions but it's not me. Their idea of dating is the old fashioned thing of never being alone together until marriage and no kissing or sex or anything until then. I asked my mum how she was when she was younger and she said her mom was a super strict and taught her not to do anything so she didn't, no experimentation or anything.

I asked mom at which point in a relationship she'd want to be introduced to a guy and she said when he was my fiancé?! Sooo I'm supposed to hide a relationship for a couple years?

My older brother is 25 and is in a serious relationship at the moment but my parents don't know a thing. I've met her and knew about everything from the start but I feel terrible hiding such a big thing.

I've also gone my whole life without dating or anything like that and feel ridiculously unprepared for it because I'm 19 and the odd one out in my age group. Doesn't help I think I'm bi but my parents are slightly homophobic - they have gay friends but it's a 'keep it to yourself' kind of thing and would never accept me for it - so I could never, ever tell them and could never seriously date a woman because of it.

Anyone else have similar parents? How have you dealt with it? Any tips? Experiences?

I love my parents and want them in my life but don't want their judgements to control mine. Any time I try to discuss it seriously with my mom she gets really angry about how modern dating lacks morals or whatever and sure, I get that it's her opinion but she gets to stressed out about the topic that I can't get through to her.