In the evening, "I will wake up at 5:00AM and train" - self-talk.
Alarm rings, 5:00AM morning, I want to sleep. Why do I train? I am lacking sleep.
Wake up anyway, 5:30AM (ish) out the door and move my legs. Walk, Jog, Run. Eventually, Run.
45 minutes later, finish the run.
Feel great.

Repeat.