The biggest trap women fall into is trying to change men.
This often manifests in a "nice" girl falling for a "bad" boy. Usually she believes her "love" will change him for the better. Bad idea on many levels.
First, no person can change another person. Only two things create change:
1) a person wants to change and is willing to do the work to change
2) a person changes his or her actions, which then changes the reaction
Have you ever known a person, or seen a movie, where a woman was constantly trying to change man (how he dresses or losing weight, for example), while he resists? Then they breakup and suddenly everything she tried to get him to do he starts doing? It is a common theme.
The number one thing men hate is women trying to control them - and trying to change him in any way, even if for his own good, is interpreted by men as trying to control them.
That is not to say men are completely unwilling to change some things. It just means how the changes are approached is key. Suggestions, not demands. Actions and reactions.
Some examples of how to encourage change are:
Some examples of how to encourage change are:

