Happy - Happy takes viewers on a journey from the swamps of Louisiana to the slums of Kolkata in search of what really makes people happy. Combining real-life stories and scientific interviews, the film explores the secrets behind our most valued emotion.
If you ever worry about check washing, these are the pens for you. They are gel-based and various studies I read ranked them as the least susceptible to check washing. They are also just good writing pens in general.