On this week’s episode of We Become Heroes, former Leinster, Ireland, and British and Irish Lions rugby player Sean O’Brien speaks about his love for Gaelic football, living with chronic pain and his plans to be a coach.

We Become Heroes: Colm Cooper on pressure of playing for Kerry and fulfilling potential

How do sportspeople develop into elite athletes? Each week RTÉ Sport’s Marie Crowe speaks to a sporting icon, tracing their journey from childhood in the hope of finding out how they became heroes.