I need you help with this?

i am a girl and i am not into guys never were sometimes i see myself looking at other girls sometimes i think i am gay but not sure and if i am i am having a really hard time geting out and i think i want to i ask my friends what would they do if i was like you know gay i say its as a joke and they say no we won't be friends i am scared please help me and don't jug me please