If you want more, go for it, but for the right reasons.
If you have the space, it's worth the investment.
Want strong arms? Get one.
Master where you started.
It's Life Maintenance.
If you want something outside the norm, do things outside the norm.
Resolve every day, not every year.
Should you? Subjective. Can you? Depends on what you mean...
Win the day before the day starts.
It's not extreme. It's the baseline.
Increase motivation by changing your perspective.
TL;DR - Just relax and do what you can.