Didn't know this was a thing but normally (it requires time) I learn like that - often being scorned by more experienced people, saying it is inefficient and/or

Didn't know this was a thing but normally (it requires time) I learn like that - often being scorned by more experienced people, saying it is inefficient and/or I I'm rude not to hear their advises. In the long run, this actually builds confidence to attack any (engineering and more) problem you face and being relatively independent from a teacher.