so i like this girl who's best friend likes me and basically the other day it was the girl i like friends birthday so i said on Facebook "happy birthday x" and the girl i like liked my comment and commented "cheeky" and i was confused but i didn't reply i thought it was because i said the same thing to her on her birthday anyways it was this other girls birthday to day and i said "happy birthday

" and the girl i like best friend commented on my birthday message and said "cheeky!" and the girl i like liked her best friends comment and this is really confusing me because i don't know whats going on so could someone please help me !!.
also the girl i like doesn't know i like her and her best friend knows i know she likes me.
so could someone please help me because im sooo confused !