When a teacher is happy, they will better at their job. But there are many factors that can affect a teacher’s happiness – both personal and professional issues. Although, professional issues are typically easier to spot as they often manifest themselves as concerns with performance, personal issues are often the root cause of poor or erratic performance.
Nobody is expected to be able to read the mind of a colleague. After all, that’s impossible to do. On the other hand, it’s worth bearing in mind that very few people will naturally confide in colleagues or seek support at the earliest opportunity. It is far more common for people to keep problems to themselves initially. Therefore, recognising the signs that a teacher may be struggling becomes even more important.