When Kim and I go to bed each night, we spend time casually browsing Reddit on our iPads. It's fun. Mostly. She and I enjoy sharing funny animal videos with each other (from subreddits like /r/animalsbeinggenisuses, /r/happycowgifs, and /r/petthedamndog). Kim dives deep into /r/mapporn and /r/documentaries. I read about comics and computer games and financial independence. But here's the thing.