Hello @MDT Resolve is what I draw on most to get myself through the life I find myself in now, and yes, I agree, it increased with age, although I also had a level of it as a younger person too.
I see resolve as a part of self discipline, or perhaps self discipline as a part of resolve, not sure which.
I need to be self disciplined if I am going to meet any of my resolutions to myself. Like this morning, I decided (resolved) to sleep in today and had to be disciplined not to get up and do what was once my Monday morning routine because it's not releveant here where I live. There are simple and complex resolutions.
Because of my experiences, the things that have brought me to being mentally unwell, and the things that I've experience because of being mentally unwell, I need that sense of resoluteness, of determination, to continue to seek betterment for myself. I used to be brilliant at seeking betterment for my kids and other family, not so for myself, so it's a newish thing for me to fight for myself in this way.
I have resolved to take this year to find betterment for myself before accepting there will be none and making whatever decision that might mean for my future. For now I resolve to live and to live at the best of my ability, to find enjoyment in small things where I can.