You can really understand what you’re capable of only when your back is up against the wall. If you’re struggling with something, remove your choices.
Throwing away all sweets will prevent you from snacking and probably force you to eat healthier.
Telling your partner that you’ll exercise and meditate daily will leave you no choice but to do so.
Quitting your job could be the best impulse for your side-business to take off, as you won’t have a choice but to make enough money to pay your bills.
If you have a choice, try removing it.