Thankfulness! - an app to increase your happiness! Researchers found out in science studies, that being grateful every day increases vitality and happiness. They showed that physical symptoms such as headaches, dizziness or muscle tension were reduced, people slept longer and better. The overall fitness also improved. Thankfulness! assists you in being happy, by reminding you about all the small beautiful things 🌻 and big wonders 🌈 that life shares with you.