If you are Irish, you can expect to feel steadily more miserable up until the age of 48, according to a new study by a top economist, who found that on average people hit peak misery in rich nations at 47.2 years. The research shows high levels of happiness at age 16 are followed by 30-plus years of rising unhappiness. What do you think? Have you become happier or more content as you have gotten older? Ciara chats to Brendan Kelly,  Professor of Psychiatry at Trinity College Dublin and hears from listeners.