The body and mind are not separate. Emotional resonances and residues manifest as an energetic continuum in the body. Cultivating mindfulness of body allows us to touch into this causal field. The body listens, the emotions speak. Energy can then pass through.
Body sweeping meditation encourages attention that gathers around an object. Rather than absorbing into phenomena, attention remains broad and open, like a loop.
Using the "reciting phrases" method of practice to develop equanimity for a difficult or so-called "sticky" person, someone who we would like to be different in some way, or someone we wish our relationship with them was different in some way