Commitment means different things in different contexts. It depends on expectations. A commitment to an employer comes with different expectations than a commitment to a spouse.
Commitment also means different things to different people. Often, we create rules in our minds without communicating them. When making a commitment, it’s important to know your limits—what you can realistically deliver, and what your minimum expectations of the other party are.
Promises made aren’t what count.
Promises fulfilled are.