I run out of energy so easily. I am an introvert, so I need alone time to recharge, recalibrate. The world drains me.
My flavour of introversion means I get particularly overwhelmed and drained if I need to organise systems and people. I used to hate the fact I would try and set up a routine and not be able to stick to it. I hate having commitments. It makes me feel trapped and held down. I like spaciousness and freedom to do what I feel like doing.