Hello Chocopiano27: Sexual orientation is complicated. From my perspective, you have two choices. One is to just wait & see what happens over time. The other is to seek out some counseling with a therapist who is knowledgeable about, & has experience working with, persons who have sexual orientation concerns if such professionals are available where you live. I know you mentioned that this is a touchy subject in Indonesia.
I don't believe any of us, here on PC, would be in a position to judge as to whether or not you might be bi-sexual. This is something that is going to take some soul-searching over time on your part. There are many resting places along the sexual orientation continuum from straight at one end to lesbian / gay at the other. Wherever you eventually come to rest along this continuum, it's all good...