Help your potential matches find common interests.
I have too many Stephen Baxter books, and wish they didn't all have
depressing endings. Greg Egan is a nice author as well, but his
characterizations aren't quite as strong.
I used to read non-fiction books for fun. However, I haven't had
quite so much time recently, so I don't read them nearly as much as
I used to. (Browsing the pages for obscure chemical compounds on
wikipedia is just too addictive.)
I'm not exactly a movie buff... but do like the common ones you'll
see mentioned in most people's profiles.
Music is a different story. I listen mostly to a collection built
from the hitlist from a certain Australian radio station. It plays
all sorts of things some good, some bad. However, it tends to find
good new artists before anyone else does. The result is I listen to
stuff a few years before it hits the main stream.
I cook. Usually in a boring way... I am a guy after all. However, I
am not a vegetarian, and would not consider being with someone who
is. Been there, done that. Sorry. If you're nice, I will cook for
you quite often and would like to actually make the things I like