Should i tell my mom about my sexuality?

[AlexandraS]

Ok so i am a teenager now in high school and my mom dosent even want me dating guys yet? what the hell? well i have dated guys befor the longest realationship i have had is 1 year... well now i am datng a girl. Yes i am dating a girl.. so i am bi.. and i dont know if i should tell my mom. i mean i tell her oh so and so has a new girlfriend and my mom says oh thats so discusting and you girls are too young to know if you bi or lesbian or straight.. and im scared to tell my mom because i think she will hate me or like dosown me.. so i dont know what to do. can someone please help me.