Have I run out of luck?

So in the past five years I have run in to tow girls I really think I “loved” and another 3 which I could have gotten to know better. None-the-less I am nowhere with nay of them now and is there point when one just gives up? it never seems to work for me so should I just stop? ( I have been very sarcastic to many peoples questions so go ahead I will not be offended.”