The time to apologize is when your actions are inconsistent with what you want your students to learn from you.
My Actions
Managing employees and teaching students have a lot in common, including instruction, motivation, and leading by example. This is especially true with a nascent team of young adults who are new to [...]
At the heart of teaching is this: you offer knowledge and perspective, and your student perhaps learns. At the heart of teaching is also this: you gain something from teaching, you satisfy some need or desire, or you would be doing something else.
Love, tradition, money, obligation, service, blood-ties — there are many reasons [...]