What should i do?! please help?!?

Im bi.. but, i dnt wnt people thnk that im bi.. like whenever my gf wnts to kiss me, i have to find a place where there is no one watching.. like, i care bout peoples opinion too much.. nd my gf doesnt like tht..she wnts me to forget bout peoples opinion,nd she wnts to b able to kiss me whenever and wherever..but i cnt, i cnt kiss her infrnt of ppl.. its coz, like i dnt wnt them (my friends and other ppl) to freak out when they find out tht im bi,, nd i never thought tht i would be bi..like i still cant accept myself to b bi...nd i still need time to thnk bout this. (i hope u get it) am i wrong for caring about ppls opinion too much?! Btw, im asian, so i dnt really know how people in here thnk bout bi people..nd thts also the reasong why i care bout ppls opinion too much.. i dnt wnt othe ppl or my friends to stay away frm me or talk behing my back coz im bi.. wht should i do.. please help me.. am i wrong?!