Writing a "thank-you" letter to someone who'd made a difficult experience of mine earlier this year a little easier to deal with. (I won't name this person, who was at most only obliquely mentioned on this journal.) I wanted to do a positive thing, and I did it.
What's also made me happy: channel-surfing onto the opening credits of The World Is Not Enough with the TV muted and the radio on, and the radio starts playing Dido's "Here With Me," and the song and the titles kind of sync up...