It suggests agression towards men you feel a 'threat' from. Men who pose no threat(friends) you have no agression towards.
Alternately, you might have a fiery, 'Maureen O'Hara' type personality, and you're wanting to 'test' the men you're interested in, to make sure they able to keep up with you...to weed out the 'wimps', or the ones that want to change you.
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Have you been 'terribly hurt' by a guy before? Like he 'cut out your heart'?
Have you ever been physically hurt by a man, hit, beaten, raped, or verbally abused?
Although you like men...are you wary of them, afraid they'll hurt you the first chance they get?
Have you been raised with the idea the 'men only want one thing...'?
In a relationship(if not a violent one), do you tend to lash out verbally when you're hurt or angry?
While ending a normal relationship, are you the one to do the break-up first, before you are hurt by him?
Are you an outspoken type, who says what she means...a "damn the torpedoes & straight ahead" type gal? A tom-boy, do-it-yourself type?...and you find it difficult to find a man that accepts you, and will allow you to be you?

Hope this gives you some insight. Good Luck!