Compassion training is less mystical than it sounds, structured practice in noticing suffering, in oneself or others, and deliberately choosing a caring response rather than an avoidant one. Much of it resembles exercise for a specific mental habit: repeated, guided attention that gradually makes a compassionate response feel more automatic.
A common exercise involves picturing someone in difficulty, first a person close to you, then gradually a stranger, and consciously wishing them relief, then noticing what that wish feels like in the body. Repeated regularly, this seems to lower the automatic urge to look away from someone else's visible distress.
Researchers studying this kind of training report measurable changes in both behaviour and brain activity associated with caring responses, suggesting compassion, much like a physical skill, responds reliably to consistent, deliberate practice rather than remaining fixed as an unchangeable trait a person either has or simply lacks. That range of possible attitudes is exactly what a structured practice like this is designed to gradually shift over months of steady repetition.