There are many definitions for the ABC of motivation. Here is one:
A = autonomy: I decide and I am in control of this.
B = belonging: This is who I am/we are. I/We do it like this (congruence).
C = competence: I can learn this. I am skilled and capable for this.
To increase level of motivation, figure out a situation today where you can say each sentence in your mind or out loud. This creates awareness of motivation that directs your behavior positively.