Often people take pills for these things.
The philosophical implications of completing this album made Karin Dreijer Andersson and Olof Dreijer feel like they needed to be on medication, especially anti-depressants. Obviously, they are not inhibited by any medication already.
This line also pertains to the wider pursuit of happiness, particularly in Western society. Recent reports suggest that our generation is comparatively more affluent but also more materialistic and detached from their own human essence (numbed by modern conveniences, thinking that the best cure for the blues is to buy something) than those who preceded us. Because people are rarely in touch with themselves emotionally, once they begin to feel bad feelings or think bad thoughts, they just straight up go to the medicine cabinet because they can think of no other way to make themselves feel better. This refers directly to prescribed antidepressant meds but could just as easily refer to alcohol, weed or any other substance used by people to escape themselves and their pain.
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