I also think of myself as a minimalist in a mental, emotional sense. That doesn’t mean that I don’t think or don’t have emotions (people who know me IRL are snorting into their screens right now). It means that I try to minimise the clutter in my mental space as much as in my physical space. It means letting go of over-thinking. It means keeping as little as possible in my head at one time: clearing out my thoughts and emotions regularly, minimising decision-making and organising in chunks ahead of time instead of always thinking on the fly.
Here are a bunch of ways I minimise the clutter in my mind: