Skateboarding, composing music, playing with children of all ages, mathematics (especially number theory and combinatorics), perfect information games (e.g., chess, checkers, Blockus, Pente), sports, running, insects, and other stuff.
Mostly metal. I like classical also. Chopin, Beethoven, Ravel, Handel, Vivaldi, Tchaikovsky, Mozart, Bach, Grieg, Death, Opeth, Mastodon, Atheist, Necrophagist, Dissection, Cynic, Dragonforce, Decapitated, In Flames, Iced Earth, Unearth, Blind Guardian, Extol, Mantric, Demon Hunter, Slayer, Metallica, Queens of the Stone Age, Nirvana, Foo Fighters, Incubus, Soundgarden, Alice in Chains, Stone Temple Pilots, Pearl Jam, Yes, Rush, Dream Theater, Liquid Tension Experiment, King Crimson, Pink Floyd, Jethro Tull, System of a Down, Porcupine Tree, Red Hot Chili Peppers, ...
Things I've read recently or am reading currently: Stephen Hawking's God Created The Integers, Francis Schaeffer's The God Who Is There, Escape From Reason, and He Is There And He Is Not Silent, John Bunyan's The Pilgrim's Progress, John Owen's The Death of Death in the Death of Christ, Ernest Hemingway's short stories, the gospels written by Matthew and Mark,
Jesus Christ, that peculiar God-man; Jonathan Edwards; John Bunyan; all of the Christian martyrs, today and in history; anyone who'll stand up and read from the book of Hebrews during a Roman Catholic mass.