Why did I choose this program?

Hello again, when I was younger, I wanted to be a medic because I wanted to safe life of childs with Cancer, but I don’t liked to see sick people in a hospital, so i started to search another options, I get interested in Chemistry in school, but chemistry as a program doesn't call my attention, because also i liked a lot about Biology, but when it was time to take the decision to choose a career, i got blanked, i don't wanted to take a bad decision so i take a year to study and think about what program I will be choosing, after all i choose Biochemistry because i was searching something that can mixed chemistry and biology, can made investigations in laboratory, and someday become a teacher. I don’t have a lot of experience in university, the only tip can i tell you is: don't study one day before. In the future i would like to study more to teach people about this.