HAHAHA i was literally researching on ways to increase our Brain Derived Neurotropic Factor and how it will help us.
Yes, constant firing of electromagnetic pulses will thicken the related neuron so that it can fire faster while using less energy. That's literally how habits forms and why people dont need to think much when doing something we've done 10 thousand times.
Yes. Exactly. I try to simplify the reason on why some people can remember well. Interest play an important factor as well.
Thanks @awesomemianist.