Topics: Self-Awareness - Mindfulness
When I got more into mindfulness, I started noticing that Overthinking is Seldom About Reality. Once I realised that, I started to see that the key to stopping overthinking was to identify when my thoughts started to drift away from reality so that I could ground them back (or completely stop thinking about the topic at hand).
This is one of the many ways in which meditation can help: it trains us to identify our thoughts and then to move out focus away from them.