Generally speaking, coming across as derpy when asking someone if they like you back is endearing as fuck.
As for the rest of it, no clue. My best dating advice is to use cinnamon.
I am as direct as a T-Rex with 'roid rage and about as subtle. It isn't intended to cause upset, I just prefer to talk plain. There are plenty of other people here who do the nice, polite thing much better than I can. I'm what you'd call a "problem dinner guest."