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I use my bike light if I need something fairly bright. Does make me wish I went for the most powerful light available though. Think mine is only like 700 lumems, but the price was climbing up at that point and it is still pretty good.
A second one could be useful if I ever wanted a long night trip though because unfortunately it uses a build on lithium battery so would have to leave it charging in a bag from another battery pack when it’s flat rather than just sticking a fresh battery in and charging the empty one when I get home.
Depends on the game tbh. Online PvP games are terrible for you because you are interacting with toxic scum all day most of the time. Isonzo has been a pleasant exception where the community is usually fairly nice. But most games it’s awful.
I expect something like Factorio is pretty good for your brain.