In times of more and more stress, pressure and growing uncertainty, mental strength is more important than ever for a fulfilling and healthy life. But how can you develop them and maintain them permanently? Julie Smith has been dealing with this for more than ten years. She is a clinical psychologist and, as an @drjulie, divides practical and scientifically sound tips with her more than 3.5 million followers every day on Tikok, Instagram and YouTube. The standard asked her about her five most valuable advice: