ravenest
To continue your teenager analogy, I think it's more like the sentence parents say that every kid hates: "you'll know when you're older". The magic moment is when you realize your parents were right.
“When I was a boy of 14, my father was so ignorant I could hardly stand to have the old man around. But when I got to be 21, I was astonished at how much the old man had learned in seven years.” - Mark Twain.
Esoteric is a vast field of knowledge and it cannot be grasped all at once. Also, some of it may not even be learned on purely intellectual level. Try to explain what is like to be in love for someone who hasn't ever experienced it.
yep ... there is that juicy sweet mango again