Depends, everybody is different...but
What things would make a guy better?
or which complement/s are the best?
Examples:
-Smart
-sensitive
-sportsman
-romantic
-sex
-music
-number and type of friends
-experience on something
-the kind of job he has
-the family
-good looking
-personality
-share same things or differences
-money
-smoke, drink, etc
-what he talks about, interests
etc etc etc