Does anyone else find this mildly dystopian? I mean, it's a cool and really fun project, but it doesn't take much imagination to envision a service like this actually taking off. "We monitor your mood 24/7 and automatically send you 'happy thoughts' on demand! Contemplating your feelings? Why bother! Here's a cute cat video! Never feel uncomfortable, pensive, or existential again!"
If it's under your control, like it is here, it doesn't sound dystopian at all.
This person has noticed something in their life that they don't like, they get too sucked in into work and need to snap out of it a bit.
In the future, they could notice themselves watching too many memes, and they could add a new feature that sends them a though-provoking quote when their face is very relaxed for a long time in front of the computer.