Look, I'm not experienced in this but let me give you an advice:
If you want to meet girls you have to go out. That's it. Go to places & events of YOUR genuine (!) interest but not with the intention of getting a girlfriend but to enjoy your time there and after some you should meet someone… You're not in a hurry, you're young af.
About falling in love with a prostitute:
You must make it clear to yourself what you really feel. Don't mistake lust for love. This might just be an infatuation that'll wither away in some days, weeks, or maybe months. Be honest to yourself. Your case is not at all unique and there've been countless unhappy endings to most people with similar stories… I don't want you to end up like they did. If you are sure
There are some things to consider before doing anything: You went to her for sex and that's what you got. I do believe she liked it if you say so but that doesn't guarantee that she has the same feelings for you. It was her job to entertain you after all. And what about her pimp? Does she work on her own or as an employee of someone? If she works for a pimp she can't just quit on a whim… The outcome of confronting him can be disastrous. You might as well risk HER safety or even HER LIFE by doing so. Whatever you do be calm. You don't want to do anything stupid… (If she's a maverick then there's a lot less to worry about.)
Marriage is a serious decision: a lifetime com körmenet. Even if everything went well up to the point of asking her to be your wife and she said 'Yes' could you really love her, bear with all of her faults and failings, support her in her endeavors, be kind, patient and understaning to her when she's having hard times or falls into depression, and stay at her side if she gets sick until death comes?
If you are able to provide all that to her should you consider marriage.
If you thought about everything I wrote and still think you want to marry her and feel ready for all that is to come ask her if she'd like to date you. Wait some months and see how it turns out. Don't rush things as you may regret doing so soon after. Remember: good things take time… During those months you'll find out if her feelings for you are as strong as yours as well as the stength of your own feelings for her. She should to provide you the same patience, support, kindness, love, and understanding you provide her as this is vitalfor a good marriage and eventually for a happy life.
If you find yourself confused or uncertain regarding the future of your relationship travel somewhere far alone for a week or two to think about things and see if they'll work or not. This is the best you can do in such situations.
In closing I want to add that you should avoid doing acting in hast at all cost as it will only cause you trouble but the most important thing is to be totally honest with yourself when answering these questions as those answers will determine your future.
I wish you make the right decisions.
May the Gods of Hell guide you!
Hail Satan!