Learn to recognize and appreciate the toll it takes on you being an actor.
Certain roles are demanding emotionally – Desdemona - and they can have a real affect of you.
A regular role on a series, a long-running play or a lead in a feature, all have their own cost. Don’t underestimate this high level work.
The competitive nature of the business side also takes its toll. Every actor talks about the highs and lows, but to really be aware of those dangers is critical to keep living and working in the healthiest possible way.
Life for every working person takes its toll. For you as an actor that toll is particular.
Learn what it is and take pains to develop habits that will keep you in good, professional stead.