Tall poppy syndrome can make you feel bad about doing well. Credit: G_Bartfai / Getty Images Tall poppy syndrome happens when high-achieving people are criticized or cut down by others for doing well. Tall poppy syndrome can appear at work, in friendships, within families, and online. The experience can affect mental health, causing anxiety, isolation, and self-doubt. Have you ever been made to feel bad for doing well? This is known as the tall poppy syndrome.