2.1. Difference between thought, emotion and behaviour and its interaction
Our behaviour is a consequence of our emotions and these are caused by our thoughts. But, in turn, our behaviour influences what we feel and what we think. Thus, these three aspects are interrelated but it is important distinguish them to understand the human functioning.
Check this video to know more about the connection between feelings, thoughts and behaviours: https://www.youtube.com/watch?v=x7agNuTrMgg
2.2. Suitable expression of pleasant and unpleasant feelings and emotions (no repression, self-control, tolerance).