CAN ANYONE HELP ME OUT?

okayy im 16yrs and im biual and all my friends seem to think that im some kind of a player/pimp but i dnt think i am at all.. soo idk whyy but there is a girl at my job tht has grabbed my attention like she always messin with me i think it is in a playin wayy that she does it but my gay coworker thinks that she is flirtin with me all the time..theres a couple chicks that like me at my job but i jus want to get to no her ohh by tha wayy she 19y but that isnt a problem for me cuz i like datin older girls but idk if it is a problem for her.. but she always likes to make comments towards me everytime she pes by me .. ohh but she doesnt kno that im bi but she knows about tha girls that are tryin to hit on me at work and she doesnt seem to be disgusted about that.. but i really wanna see wup with her cuz damnn there jus somethin about her tht i likee...can anyone help me out?