Don't be a moron.
Shared interests.
Similar way of thinking.
Kind.
Likes to listen.
Shares things for me to listen.
Similar sense of humor.
<4 ft. tall and looks good in a pink skirt. Not really.

I don't make many friends, nor do I care to have many friends. A couple of good friends is good enough for me, and I prefer that in a good friend as well. Too many people around ruin my mood.