Explanation: because age is just a number it doesn't makes you mature.
"Maturity is not measured by age. In reality, age doesn't determine how mature a person is, it's their personal experiences that determine their maturity level. ... Younger people are often talked to and treated like children until they turn 18 because legally that's when they become adults..Nov 26, 2020" - As said from a website
The speaker sounds disappointed, as he was so close to finally grasping but they keep leaving him. It also says he chases them madly but is unable to catch them. Showing disappoint in himself.
She does not know the grammar rules in English. ... With patience and calm, even a burro can climb a palm." This last was one of her many Dominican sayings she had imported into her scrambled English.
Answer: using slang or otherwise informal language isn't trustworthy. It shows that the writer is taking the subject seriously and putting effort into their work.
