You might not understand this exactly, but if you have some idea of exactly what it was about you your person found attractive, play up that trait a little (presuming you enjoy it, too).
However you can alter the entire face of a relationship by merely changing what you expect.

Relationship aid for newlyweds abounds. Does it seem as though you have to constantly stroll on egg shells so that you do not have a fight?
Basically it's the process of discovering important details before deciding to progress.