hi, guys i am new to this whole game theory thing.. the thing is that i saw this HB 9, who entered as a junior in my college, I called her up(as a senior), fixed a little meeting, and had a little chit-chat, in a funny, nice way.. It was fun, we had a fun filling conversatio we talked about food/weather/movies/classes/campus etc, and the conversations really flowed in and there were very less awkward silences.. it was a great rapport buildup, after that she had to leave so she went away..
how do i proceed to go more in a flirty/interesting way from this point rather going in a friendly way.. so she doent LJBF me? reply asap

Invite her on a date and touch her a lot, then kiss her. It's simple stuff, and as long as you don't psych yourself out about it, you're golden. You already have a good connection with this girl, capitalize!