The ME! Era

What will my ME! Era entail?   I woke up this morning wondering how to define it. It has to have clear boundaries, right? I'm not declaring that I'm going to be completely selfish and do whatever I want, no matter the consequences.  But if it's been construed as selfish to say, "My office needs to function for me first, and guests are secondary," then literally anything I do for myself could be assessed that way.  I guess the first rule, then, is to establish what constitutes truly selfish behavior versus self-care behavior.  Self-care = deliberate choices that maintain or improve my physical, mental, or emotional stability without violating my acknowledged responsibilities.  Selfish = disregarding the needs, agreements, or well-being of others in a way that creates avoidable harm or imbalance, especially when I know better.  Which of course leads me to:  Necessary selfishness = choosing myself at the inconvenience of others intentionally because...