If feel that it were to be other youtube's and like his mom because he mostly talks about his mom in his videos, and i also think he just wanted to follow his dreams and listen to his heart, which later became a great influence because he just came out with a book, and has a tour, and is very popular on youtube now.
The first part when he says he "shall meet my fate" could allude to a choice of joining. This could allude to an acceptance of fate sort of standard and that he made his decision. Another is the last two lines when he says "Nor law... nor cheering crowds." This quotation shows that the government, the duty to his country, the men around him, and those at home cheering them on did not persuade him to fight. In the second last line this is known when he states "nor law nor duty bade me fight".