While the concept of the teenager appears to be a primate thing, other species start small and finish of big ...
Everything I learnt about teaching boys I learnt from alpacas
I teach and I farm alpacas, and I teach students to farm alpacas too. It has become very apparent to me that many of those unusual attributes we find in students are exactly the attributes that nature intended. So by watching alpacas, I have learnt to understand more and more about why teenagers do what they do.