Not to focus on what you should have done or what you expect to do. Just be in the now. Contentment isn't an easy place to find. Especially in this modern world. People are always pushing the latest and greatest new thing, trying to make us discontent with what we have.
TV commercials are one of the greatest offenders to our feeling content.
Then again, maybe it is good to not be content and to seek something greater in life. Tapas - Austerity Tapas is austerity or discipline. Often we think about discipline as what we should or shouldn't do for some desired outcome. For instance, if you want to quit smoking, you discipline yourself to not take a cigarette. If you want to lose weight, you discipline yourself to eat better.