A paging system would be the best technological advancement for Belinda
It is true.
Personal growth is an important one. It enables us to develop, to reach or full potential. To improve step by step along the path of life. Goals enable us to plan our route. They break the task down into manageable steps or tasks. Energy, enthusiasm and desire kicks in. Own a plan. One's own plan to achieve personal growth.
The answer is either he is using his large muscles or his body heats up but I am not sure which one sorry hope I helped a little