For the first half of the guided meditation, there is investigation of impermanence of all experience, and the second half is the investigation of thought.
Beyond developing samadhi and mindfulness, we can turn our attention to developing liberating insight. While these are many insights that can come through meditation, the insight around anicca (change), dukkha (unsatisfactoriness) and anatta (non self) address our compulsion to crave and cling.
Pain in sitting meditation is a common experience. Instead of reacting with aversion and moving away from it, it is possible to open to the sensations with mindfulness and compassion.