Ronan Keating admits his 'heart was beating out of his chest' watching his son enter Love Island. 'Nervous as hell': Ronan Keating admits his 'heart was beating out of his chest' watching his son Jack enter Love Island 'I won't lie, I've been nervous as hell,' confessed Ronan. 'I'll always support him': The former Boyzone star confessed to being 'nervous …