Areas that I use to reward myself to motivate to do hard work, I give myself a prize when I complete a certain task:
Do a session of Elevate or a lesson of Duo Lingo Have a bit on Food i like (nice snacks like apple with almond butter)
Other tips:
tadalist: list all successes you have done this week Do mini rewards while big rewards put a timer and compete aggainst yourself: celebrate your success when finish smile when you are doing a boring job