My all time favorite activity has to be listening to stories, either an anecdote about their lives, or something off the top of their head.
Competitive games have been a large part of my life, back in middle school I jumped into Warcraft 3 and got good enough to win a couple tournaments. Since then I traveled up and down the east coast playing Super Smash Brothers competitively in high school, while also playing Halo 3 with MLG level players. Nowadays I scratch that competitive itch by playing (and being terrible at) board games, and by playing magic the gathering. I'm also way into League of Legends.