Modern life is stressful. From frantic careers to financial worries, caring for children to making time for your spouse, sometimes it can all seem like too much, even for the calmest of us. It’s little wonder, then, that we’re more highly- strung than ever before. Recent research found that one in five women confesses to feeling anxious most or all of the time. And some 53  million prescriptions for anti-depressants were issued in the last year alone. So can the only way to truly conquer stress be through a bottle of pills? Thankfully not. Starting today, the Mail introduces an unmissable series which will teach you easy tricks to beat anxiety in every area of your life, and show how you can easily master the new stress-busting technique everyone is talking about: mindfulness. Today, we tackle one of the key sources of stress in all our lives — marriage and relationships . . .