Let's just say, that all of this "preference" might change once you get older so don't force yourself to like this "special girl" just because she meets all the criteria.
Or to use a great metaphor someone wrote: don't buy a car for life if you haven't tried a few others before.
I like her to be shy, thoughtful, serene, kind and polite
Where's the spice?

I still love the same girl I did half my life ago
I still love one of my-exes, just that it doesn't mean we have to be together, doesn't mean we have to pull stage five clinger on eachother. For every one you lose, you kiss one more. That is, if you go out and talk to them.
and people I've told about this has told me to give up
They are right. There is nothing you can DO to make her want you. "I'm gonna fight for her" doesn't exist either. What does exist is a possibility that some other girl likes you more than she did. That is, if you go out and talk to them
but I honestly don't care about what they say
You don't have to. That is, if you go out and talk to them. You get the idea by now
, I'm just the type of person who doesn't change their values so easily.
Does it work for you so far?
You can call it persistance, intertia, loyal, whatever.
Along the lines of "Why should I change? I'm comfortable where I'm now". Well, does it work for you?
I'm an extreme introvert
A skill that can be un-learned by ways of practising not being an introvert. Pick a skill and practice it.
she's more of an extroverted
As skill that she's learned by ways of practising being extroverted. She picked a skill and practiced it.
although she does hide a lot of her values due to he family pressure
Normal stuff, don't expect to hear from your daughter "Hey mom, hey dad, guess what, today with my boyfriend I discovered I like to makeout and more" either.

I don't like sports as much, she's an athelete
Not required to be a man. Other things are.
Yeah, so I hate that kind of bitches who only likes money.
1. Everybody likes money. Men and women alike.
2. Don't confuse "a bitch" with someone who likes money. A "nice" girl will like money too.
3. If you want her - to want you not for your money - don't show that you have it - as simple as that. Don't show-off your car, apartment, clothes. Don't offer to buy stuff, pay for her etc., offer to split unless it's a special occasion (special assumes - twice per year max).
4. It's 21st century, she has enough possibilities and options to have her own income. Expecting a man to provide $ exclusively is either a pure golddigging or being unable to take care of themselves.
As for the looks - tall, my heartbeat rarely raises for less than 175cm