Courage, bravery, bravado, boldness, gusto, audacity, pluck, fearlessness, risk-tolerance, temerity, tenacity, fortitude, nerve, or stoutheartedness work for you?
It is indeed a choice. The consequences of reversing that choice get much more complex as you gain responsibilities in life. Ultimately, however, your life is on you. No one else can care like you do.
Yes, though as a corollary, we need to remember that the "accumulation of responsibilities" is composed largely (though not solely) of the accumulation of a set of outcomes from a set of prior choices.
>we need to remember that the "accumulation of responsibilities" is composed largely (though not solely) of the accumulation of a set of outcomes from a set of prior choices
Our primary responsibility, if it is really one, is to care for ourselves; we have no choice but to take it. One of the main responsibilities we accumulate is the responsibility to care for ageing relatives.
There are other major responsibilities - care for environment, for society - that are not born out of our prior choices (though our ability to handle those responsibilities is greatly affected by our past choices).
It is indeed a choice. The consequences of reversing that choice get much more complex as you gain responsibilities in life. Ultimately, however, your life is on you. No one else can care like you do.