Well, perhaps you should define 'romance'.....
Maybe you just hang around the wrong people. Your relationships with Christian friends of the opposite sex should teach you about friendship, respect, honesty, conversational skills, and spiritual relationships. Not a bit of nonsense in it, and all important in marriage.
The romance part is easy to figure out........
Okay so far, but..
The romance part is easy to figure out...
No it isn't. Not at all. Romance is utterly different from friendship. All those things you mentioned are necessary, but, romance requires *something else* besides.