Trust the small gains.
Commit to them.
Just tiny, miniscule gains, every day. Small, easy commitments to just get a little bit of work done towards your goal.
Because those small gains accumulate.
Stretch that tight hamstring, just a little bit, every day.
Work on your pull-up, just a little bit, every day.
Practice those double-unders, just a little bit, every day.
Before you know it, before you can believe it, that small gain, that eensy-weensy-bare-minimum-
The small gains are magical, trust them.