They could have been exited and scared that there baby is getting older.
D. Reaction time
Objects falling are moving quickly, and being able to react immediately is the most useful skill in this situation. Being agile or having good balance isn't helpful if the object has reached the ground before you moved.
The term adolescence alone only started to derive in 1900s because prior to that, society recognize such things as adolescene.
Back then, society only recognize children and adults (13 years old and above). For example, historieans predicted that Alexander the Great started his first conquest at the age of 13-16.
Through their traditional view in the 1800s society, Male who already 13 years and above are EXPECTED to go out and become a breadwinner for his family, by either woeking up in factories or go out farming, and many female are married during this age period.
I think it is asthma but I'm not sure