How to have a boyfriend

I am just 18 and some of you might laugh at me but this topic makes me sad every once in a while. I've had lots of guys flirt with me every once in a while tara its only ki ta flirting wa talking phases never more than that. Because whenever a guy be it anyone, random classmate, koi chineko kta jo pani hos if they try to approach me romantically i brush them off and make the situation awkward for both of us. In simple words I FUMBLE so bad.

I am scared, one day I'll have to marry and settle down but i don't wanna do it with someone who's a complete stranger to me. I want to be with someone whom I know i can trust and be comfortable with. But how do i break the barrier I've built around myself? How do i let go of my fear of being judged?

Plus I'll be moving bidesh in like few weeks and how am i gonna find someone there whose gonna want me. HELP!!