right; i wasn’t exactly suggesting that there’s a physical limitation here (modulo the indeed well documented synaptic pruning in puberty), more that in adultho

right; i wasn’t exactly suggesting that there’s a physical limitation here (modulo the indeed well documented synaptic pruning in puberty), more that in adulthood, it’s just not possible to sink all your time into learning something the way you can more or less effortlessly do when you’re 15.