Heron Lake Plateau Waking young and feeling old

She offered a short, tight nod and kept her gaze fixed on her feet afterwards.  She still didn't know exactly what had transpired between Screech and Niamh, and she didn't know exactly how the whole tracking-him-down-and-murdering-him thing happened either... but she figured it would be something Niamh would have to work through, despite never having been through such hardships herself.  

She moved in tandem with Niamh and together they patrolled in silence for a moment.  So uh, we both seem to work pretty hard... is there anything you do to relax?  She knew the garden was what she used to take out her frustrations, but what did Niamh do?