I did, past my early 20s.

I'm a bi woman and I can tell you by experience that the internet is pushing people to find a label too much. This is why so many people feel weird when they don't find a box that fits their experiences and feelings. I went through that too as a teen. I tried real hard to figure myself out because everyone was having their own little label around me. I was confused and people forcing me to fit in a box wasn't helping. Finding myself out came naturally at some point and I wished I hadn't forced myself to find answers prematurely.
If you're a teen, it's OK not to know. You don't need to apply any kind of micro label to yourself unless you really feel comfortable doing so. And if you do want too, it's OK. And if you want change labels, it's OK too. Just know that you don't owe the internet any explanation about your own personal journey and sometimes it just feels better not trying to put a word on everything. :)