Whatever the superficial graze that manifests in a row, it starts, says psychologist Kim Polinder, in much deeper wounds. Kim Polinder: psychologist and therapistConflict triggers past trauma, causing people to assume entrenched emotional roles rather than being their ‘true selves’. A ‘core wound,’ lingers as ‘an old emotional injury that sticks with you’But it is her career experience that shapes her approach to healing these old wounds. We fight, Polinder writes, ‘because of how we learned to perceive danger, and as a result, how to protect ourselves. It will press on the bruise of your own core wound – but it will also help you stop picking at the scab of it.