3 ms·

Frowning faces are common while deep in thoughts. Personally, I sigh loudly. Not out of annoyance or fatigue, I just sigh.

• djmips 4y ago
  To get more oxygen to the brain maybe.
• tluyben2 4y ago
  Yep, same. When I realise it, I always think of [0]. It also keeps people from disturbing me though. [0] https://youtu.be/rOQmxNPTJwc https://youtu.be/rOQmxNPTJwc