I have been self-diagnosed with anxiety for about 2 years now, but i only realized that i have anxiety, like, a year ago. I'm 100% sure i have anxiety. As soon as i step out of my house i become self conscious, i start shaking, i walk weirdly, my heart starts pounding heavily, etc... 

My parents realized yesterday that i was shaking while we were at the mall. Today, my mom started talking about it with me and she told me that I'm probably gonna go to therapy soon. I don't really mind that because it's for the best, but the problem is, i know the biggest reason for my anxiety and nobody else does... And that is, i was being bullied in middle school (I'm in highschool rn). This is the biggest reason why i haven't told my parents about my anxiety before, because i never told them i was being bullied. The reason i didn't tell them is because i feared that they would judge me, and yell at me for not doing anything to stand up for myself, in fact my self-confidence was so bad that i was hanging out with my bullies. I realized later that i made a big mistake because i haven't told my parents since day one that i was being bullied and if i told them now they would be much more mad at me. While my mom and i were talking today, she asked me if i was bullied in school and i lied... I can't even tell my brother the truth, and he is the the only person i don't feel anxious around.

I fear that when i start going to therapy, my therapist would most likely ask what's the reason for my anxiety, and i really don't wanna lie, but if i say it's because of bullying he will most likely tell my parents, and i can't even imagine how mad they would be at me for not telling them before. 

I don't know what to do. I can say that i was always shy and that my self-confidence was always bad (which i also true) but now it turned into anxiety, or i can say the truth and endure my parents yelling at me. I know what's the right thing to do but i don't think i have enough confidence to tell the truth.