Being mindful is basically a very hard thing to ask for a person, of which not everybody has the chance to work on it. And indeed, being sensitive of mindfulness needs a lot of efforts to feel for others. True enough, this can really make a big difference in one’s life.
This "Worry Tree" is a poster I would love to hang in my classroom. It is a resource I think students could refer to, when needed, to help them regulate their emotions and deal with their "problems" in an effective way. Eventually, they will be able to follow this process on their own, and develop their emotional competence - which is an important skill that underlies positive mental health (Reinke et al., 2011).