I went to dance classes from 9 in the morning until 1, then to school from 3 to 10 at night, always under the threat that if I failed a single course I could forget about dancing.
The key to making healthy decisions is to respect your future self. Honor him or her. Treat him or her like you would treat a friend or a loved one. A Stanford study showed that those who saw a photo of their future self made smarter financial decisions.