"While his sergeants and corporals would return to their base with soldiers who could understand what serving in a conflict zone was like, Lewis, as a reservist, was thrown back into ­civilian life. “It was like feeling crushed,” he says. Eventually, he was diagnosed with depression, but he found it difficult to talk about. “That mental health side is embarrassing. There’s a stigma. As a man, you fear it’s about your masculinity – you’re not strong enough, not tough enough.""